"""Create fact_checker
Generated by Phi-Octopus Eden
2025-11-06 07:05:41.947780
"""

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


class FactChecker:
    """
    A simple fact-checking system that verifies if a given statement is true based on predefined data.
    """

    def __init__(self, facts: Dict[str, bool]):
        """
        Initialize the FactChecker with a dictionary of facts where keys are statements and values are their truthfulness.

        :param facts: A dictionary containing key-value pairs where keys are statements (str) and values are boolean
                      indicating whether the statement is true or false.
        """
        self.facts = facts

    def check_fact(self, statement: str) -> bool:
        """
        Check if a given statement is true based on the predefined facts.

        :param statement: The statement to be checked as a string.
        :return: A boolean value indicating whether the statement is true (True) or false (False).
        """
        return self.facts.get(statement, False)

    def add_fact(self, statement: str, truth_value: bool):
        """
        Add or update a fact in the FactChecker.

        :param statement: The statement to be added or updated as a string.
        :param truth_value: A boolean value indicating whether the statement is true (True) or false (False).
        """
        self.facts[statement] = truth_value

    def remove_fact(self, statement: str):
        """
        Remove a fact from the FactChecker.

        :param statement: The statement to be removed as a string.
        """
        if statement in self.facts:
            del self.facts[statement]


# Example usage
if __name__ == "__main__":
    # Predefined facts about some statements
    predefined_facts = {
        "The Earth is round": True,
        "AI can understand natural language": False,  # This might change based on advancements in NLP.
        "Eden has 5 layers of architecture": True
    }

    fact_checker = FactChecker(predefined_facts)

    print(f"Is 'The Earth is round' true? {fact_checker.check_fact('The Earth is round')}")
    print(f"Is 'AI can understand natural language' true? {fact_checker.check_fact('AI can understand natural language')}")

    # Adding a new fact
    fact_checker.add_fact("Python supports multiple inheritance", True)
    print(f"After adding, is 'Python supports multiple inheritance' true? {fact_checker.check_fact('Python supports multiple inheritance')}")

    # Removing a fact
    fact_checker.remove_fact("AI can understand natural language")
    print(f"Is 'AI can understand natural language' still considered in the check? {fact_checker.check_fact('AI can understand natural language')}")
```