Status: False

Assertion

Vitamin C cures the common cold.

Reasoning

The claim that eating carrots significantly improves night vision is false, as it originated from propaganda during World War II rather than being based on scientific evidence. While the nutrients in carrots do support eye health, any improvements to night vision are not substantial enough to attribute solely to consuming carrots.

– False: The statement that eating carrots significantly improves night vision is false. Although carrots contain beneficial nutrients for eye health, the assertion of significant improvement in night vision lacks strong evidence and originates from a wartime propaganda rather than scientific fact.

– False: While consuming carrots can contribute to better overall eye health due to their vitamin A content, it is false to claim that they significantly enhance night vision. The misconception has historical roots in World War II propaganda and lacks strong scientific backing for such a specific effect.

Overall, the correct classification of the statement “Eating carrots significantly improves night vision” is False: While carrots contain beneficial nutrients for eye health, the claim that they can significantly improve night vision is not supported by solid evidence and

Assumptions

**Analysis:** This statement perpetuates an old myth that was popularized by WWII propaganda suggesting that British pilots were consuming large amounts of carrots to enhance their night-time flying abilities. While beta-carotene is crucial for vision, the relationship between carrot consumption and enhanced night vision is not as direct or significant as often portrayed.

### Statement 3: Eating a high-fat diet will lead to obesity if you’re overweight.

*Correction:* A diet that is consistently high in fat can contribute to weight gain, but obesity results from an energy imbalance where calorie intake exceeds calories expended over time. It’s not solely the type of nutrient (fat) consumed that leads to obesity; rather it’s the overall dietary pattern and lifestyle factors such as physical activity levels, portion sizes, and total energy consumption play a significant role.

**Analysis:** This statement oversimplifies the complex causes of obesity by focusing on fat intake alone. While excessive calorie-

Fact Checker Output

### True

The assertion that a high-fat diet leads to weight gain if not properly balanced with physical activity and overall energy expenditure is generally supported by scientific evidence. Consuming more calories than the body burns, regardless of the source (carbohydrates, proteins, or fats), can lead to an energy surplus that may result in weight gain over time. However, it’s important to note that not all high-fat diets will necessarily lead to obesity; individual factors such as metabolism and genetics also play a role.

### False

The statement “Eating carrots improves night vision” is often oversimplified or misinterpreted in popular culture, but the truth lies more in moderation and not just isolated claims of improvement from eating one specific food like carrots. While beta-carotene—a precursor to vitamin A which is essential for good vision—found abundantly in carrots does play a role in maintaining eye health, it doesn’t directly improve night vision beyond its normal function within the body. The myth of “seeing through walls” or significantly enhanced

Model Used

microsoft/Phi-3-mini-4k-instruct-gguf

Script Name

fact_checker_mongodb.py

Script Code

import os
import sys
import requests
from langchain_openai.llms import OpenAI
from langchain.prompts import PromptTemplate
from dotenv import load_dotenv
from statements import get_random_statement
from mongodb_helper import insert_record  # Import MongoDB helper functions
from wordpress_helper import create_wordpress_post  # Import WordPress helper functions
import html

# Load environment variables from .env file
load_dotenv()

def fact_check(assertion):
    llm = OpenAI(temperature=0.7, model=os.getenv("MODEL_NAME"))

    # Define the prompt templates
    assertion_template = """{assertion}\n\n"""
    assertion_prompt = PromptTemplate(input_variables=["assertion"], template=assertion_template)
    
    assumptions_template = """Here is a statement:
    {statement}
    Make a bullet point list of the assumptions required to support the above statement.\n\n"""
    assumptions_prompt = PromptTemplate(input_variables=["statement"], template=assumptions_template)
    
    fact_checker_template = """Here is a bullet point list of assertions:
    {assertions}
    For each assumption, determine whether it is true or false. Explain your reasoning.\n\n"""
    fact_checker_prompt = PromptTemplate(input_variables=["assertions"], template=fact_checker_template)
    
    answer_template = """
    Here is the information to classify the statement:
    {facts}

    Based on the above information, how would you classify the statement? Respond with one of the following options followed by a colon and space:
    - True: [Explanation]
    - False: [Explanation]
    - Debatable: [Explanation]
    """
    answer_prompt = PromptTemplate(input_variables=["facts"], template=answer_template)
    
    # Format prompts and extract the string content
    formatted_assertion = assertion_prompt.format_prompt(assertion=assertion).text
    assertion_output = llm.invoke(formatted_assertion)
    
    formatted_assumptions = assumptions_prompt.format_prompt(statement=assertion_output).text
    assumptions_output = llm.invoke(formatted_assumptions)
    
    formatted_fact_checker = fact_checker_prompt.format_prompt(assertions=assumptions_output).text
    fact_checker_output = llm.invoke(formatted_fact_checker)
    
    formatted_answer = answer_prompt.format_prompt(facts=fact_checker_output).text
    final_output = llm.invoke(formatted_answer)
    
    return {
        "assertion_output": assertion_output,
        "assumptions_output": assumptions_output,
        "fact_checker_output": fact_checker_output,
        "final_output": final_output,
    }

def extract_status_and_reasoning(final_output):
    llm = OpenAI(temperature=0.7, model=os.getenv("MODEL_NAME"))
    
    extraction_template = """
    Here is a final output of a fact-checking process:
    {final_output}
    
    Based on the above text, what is the classification of the statement? Respond with one of the following options followed by a colon and space:
    - True: [Explanation]
    - False: [Explanation]
    - Debatable: [Explanation]
    """
    
    extraction_prompt = PromptTemplate(input_variables=["final_output"], template=extraction_template)
    formatted_prompt = extraction_prompt.format_prompt(final_output=final_output).text
    extraction_output = llm.invoke(formatted_prompt).strip()
    
    if "True:" in extraction_output:
        status = "True"
        reasoning = extraction_output.split("True:", 1)[1].strip()
    elif "False:" in extraction_output:
        status = "False"
        reasoning = extraction_output.split("False:", 1)[1].strip()
    elif "Debatable:" in extraction_output:
        status = "Debatable"
        reasoning = extraction_output.split("Debatable:", 1)[1].strip()
    else:
        status = "Unknown"
        reasoning = extraction_output
    
    return status, reasoning

if __name__ == "__main__":
    if len(sys.argv) > 1:
        assertion = sys.argv[1]
    else:
        assertion = get_random_statement()
    
    print(assertion)
    submission = fact_check(assertion)
    
    # Print the detailed outputs to inspect their structure
    for key, value in submission.items():
        print(f"{key}: {value}")
    
    # Extract the final output for status determination and reasoning
    final_output = submission['final_output']
    status, reasoning = extract_status_and_reasoning(final_output)
    
    # Print the final status and reasoning
    print(final_output)
    print(f"Status: {status}")
    print(f"Reasoning: {reasoning}")

    # Record the result in MongoDB
    try:
        print("Attempting to insert record into MongoDB...")
        insert_record(
            script_name=__file__,
            script_code=html.escape(open(__file__).read()),
            assertion=assertion,
            status=status,
            submission=submission,  # Store the entire submission for detailed analysis
            reasoning=reasoning,
            model=os.getenv("MODEL_NAME")
        )
        print("Record inserted into MongoDB successfully.")
    except Exception as e:
        print(f"Failed to insert record into MongoDB: {e}")
    
    # Create a blog post on WordPress
    blog_title = f"Fact Check: {assertion}"
    blog_content = f"""
    <h1>Status: {status}</h1>
    <h2>Assertion</h2>
    <p>{assertion}</p>
    <h2>Reasoning</h2>
    <p>{reasoning}</p>
    <h3>Assumptions</h3>
    <p>{submission['assumptions_output']}</p>
    <h3>Fact Checker Output</h3>
    <p>{submission['fact_checker_output']}</p>
    <h4>Model Used</h4>
    <p>{os.getenv("MODEL_NAME")}</p>
    <h4>Script Name</h4>
    <p>fact_checker_mongodb.py</p>
    <h4>Script Code</h4>
    <pre>{html.escape(open(__file__).read())}</pre>
    """
    create_wordpress_post(blog_title, blog_content, status)