"""Create fact_checker
Generated by Phi-Octopus Eden
2025-11-06 23:00:26.243825
"""

```python
from typing import List, Dict


class FactChecker:
    """
    A basic fact-checking class that verifies statements against a predefined knowledge base.
    """

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

    def add_statement(self, statement: str, is_true: bool) -> None:
        """
        Adds or updates a statement in the knowledge base.

        :param statement: The statement to be added or updated.
        :param is_true: A boolean indicating whether the statement is true.
        """
        self.knowledge_base[statement] = is_true

    def check_statement(self, statement: str) -> bool:
        """
        Checks if a given statement is present and verified in the knowledge base.

        :param statement: The statement to be checked.
        :return: A boolean indicating whether the statement is verified as true.
        """
        return self.knowledge_base.get(statement, False)

    def verify_statements(self, statements: List[str]) -> List[bool]:
        """
        Verifies multiple statements against the knowledge base.

        :param statements: A list of statements to be checked.
        :return: A list of booleans indicating whether each statement is verified as true.
        """
        return [self.check_statement(s) for s in statements]


# Example Usage:
if __name__ == "__main__":
    fact_checker = FactChecker()
    
    # Adding some facts
    fact_checker.add_statement("The Earth revolves around the Sun", True)
    fact_checker.add_statement("AI can be self-aware", False)

    # Checking single statement
    print(fact_checker.check_statement("The Earth revolves around the Sun"))  # Output: True

    # Verifying multiple statements
    statements = ["AI can learn from data", "Water boils at 100 degrees Celsius"]
    results = fact_checker.verify_statements(statements)
    for statement, result in zip(statements, results):
        print(f"{statement}: {result}")
`