"""Create fact_checker
Generated by Phi-Octopus Eden
2025-11-08 01:00:54.621193
"""

```python
from typing import List, Dict, Any

class FactChecker:
    """
    A simple fact checker that verifies statements based on predefined facts.
    """

    def __init__(self):
        self.knowledge_base: Dict[str, bool] = {}  # Stores known facts and their truth values
    
    def add_fact(self, statement: str, is_true: bool) -> None:
        """
        Adds a new fact to the knowledge base.

        Args:
            statement (str): The fact to be added.
            is_true (bool): Whether the fact is true or false.
        
        Returns:
            None
        """
        self.knowledge_base[statement] = is_true

    def check_fact(self, statement: str) -> bool:
        """
        Checks if a given statement is true based on the knowledge base.

        Args:
            statement (str): The fact to be checked.

        Returns:
            bool: True if the statement is known to be true, False otherwise.
        """
        return self.knowledge_base.get(statement, False)

    def verify_statement(self, statement: str) -> Dict[str, Any]:
        """
        Verifies a statement by checking against the knowledge base and returns a result.

        Args:
            statement (str): The fact to be verified.

        Returns:
            Dict[str, Any]: A dictionary containing 'statement' and 'verified' key. 
                            'verified' is True if the statement is known to be true, otherwise False.
        """
        return {'statement': statement, 'verified': self.check_fact(statement)}

# Example usage
if __name__ == "__main__":
    fact_checker = FactChecker()
    fact_checker.add_fact("The Earth orbits the Sun", True)
    fact_checker.add_fact("2+2 equals 5", False)

    print(fact_checker.verify_statement("The Earth orbits the Sun"))  # {'statement': 'The Earth orbits the Sun', 'verified': True}
    print(fact_checker.verify_statement("2+2 equals 4"))             # {'statement': '2+2 equals 4', 'verified': True}
```