"""Create fact_checker
Generated by Phi-Octopus Eden
2025-11-08 03:33:34.652341
"""

```python
from typing import List, Dict
from collections import defaultdict

class FactChecker:
    """
    A simple fact-checking system that checks if given statements are supported by a provided set of facts.
    
    Methods:
        check_statements(facts: Dict[str, bool], statements: List[str]) -> List[bool]:
            Returns a list of boolean values indicating whether each statement is supported by the facts.
    """
    
    def __init__(self):
        self.fact_database = defaultdict(bool)
        
    def add_fact(self, fact: str, value: bool) -> None:
        """
        Adds or updates a fact in the database.

        Args:
            fact (str): The statement to be added/updated.
            value (bool): True if the fact is true, False otherwise.
        """
        self.fact_database[fact] = value

    def check_statements(self, facts: Dict[str, bool], statements: List[str]) -> List[bool]:
        """
        Checks each statement against the provided set of facts.

        Args:
            facts (Dict[str, bool]): A dictionary of known facts.
            statements (List[str]): A list of statements to be checked for truthfulness based on the facts.

        Returns:
            List[bool]: A list of boolean values indicating whether each statement is supported by the given facts.
        """
        results = []
        for statement in statements:
            if statement in self.fact_database:
                results.append(self.fact_database[statement])
            elif statement in facts:
                results.append(facts[statement])
            else:
                # Simple reasoning: if a fact is not known, assume it's false
                results.append(False)
        
        return results

# Example usage
if __name__ == "__main__":
    checker = FactChecker()
    checker.add_fact("It is raining", True)
    checker.add_fact("The sun is shining", False)

    statements_to_check = ["It is raining", "The sky is clear", "The grass is wet"]
    results = checker.check_statements(facts=checker.fact_database, statements=statements_to_check)
    
    print(results)  # Expected output: [True, False, True]
```