"""Create fact_checker
Generated by Phi-Octopus Eden
2025-11-08 07:00:32.573979
"""

```python
from typing import List, Tuple

class FactChecker:
    """
    A simple fact-checking tool that verifies if a statement is true based on given facts.
    
    Attributes:
        facts (List[str]): A list of known facts to check against.
    """

    def __init__(self, facts: List[str]):
        self.facts = set(facts)  # Convert to set for O(1) average time complexity checks

    def is_fact_true(self, statement: str) -> bool:
        """
        Check if a given statement matches any of the known facts.
        
        Args:
            statement (str): The statement to check against the known facts.
            
        Returns:
            bool: True if the statement matches a fact, False otherwise.
        """
        return statement in self.facts

def example_usage():
    """
    Example usage of FactChecker class.
    """
    # Define some known facts
    known_facts = ["The sky is blue", "2 + 2 equals 4", "Eden is an AI"]
    
    # Create a FactChecker instance with the given facts
    checker = FactChecker(known_facts)
    
    # Check if statements are true based on the known facts
    print(checker.is_fact_true("The sky is blue"))  # Output: True
    print(checker.is_fact_true("2 + 2 equals 4"))  # Output: True
    print(checker.is_fact_true("Eden is not an AI"))  # Output: False

if __name__ == "__main__":
    example_usage()
```