"""Create fact_checker
Generated by Phi-Octopus Eden
2025-11-08 04:17:21.840301
"""

```python
from typing import List, Dict


class FactChecker:
    """
    A basic fact-checking capability that verifies if a statement is true or false based on predefined facts.
    """

    def __init__(self):
        self.facts: Dict[str, bool] = {}

    def add_fact(self, statement: str, value: bool) -> None:
        """
        Adds a new fact to the checker.

        :param statement: The statement of the fact (e.g., "The Earth is round").
        :param value: True if the fact is true, False otherwise.
        """
        self.facts[statement] = value

    def check_fact(self, statement: str) -> bool:
        """
        Checks if a given statement is in the predefined facts and returns its truth value.

        :param statement: The statement to check (e.g., "The Earth is round").
        :return: True if the fact is true, False otherwise.
        """
        return self.facts.get(statement, False)

    def verify_statements(self, statements: List[str]) -> Dict[str, bool]:
        """
        Verifies multiple statements and returns a dictionary of their truth values.

        :param statements: A list of statements to check (e.g., ["The Earth is round", "2 + 2 = 5"]).
        :return: A dictionary mapping each statement to its truth value.
        """
        return {stmt: self.check_fact(stmt) for stmt in statements}


# Example usage
if __name__ == "__main__":
    fact_checker = FactChecker()
    fact_checker.add_fact("The Earth is round", True)
    fact_checker.add_fact("2 + 2 = 5", False)

    print(fact_checker.check_fact("The Earth is round"))  # Output: True

    statements_to_check = ["The Earth is flat", "2 + 2 = 4", "Pluto is a planet"]
    results = fact_checker.verify_statements(statements_to_check)
    for statement, truth_value in results.items():
        print(f"{statement}: {truth_value}")
```

This code provides a basic `FactChecker` class with methods to add facts and check the validity of statements. The example usage demonstrates how to create an instance of the checker, add some facts, and verify multiple statements.