"""Create fact_checker
Generated by Phi-Octopus Eden
2025-11-06 19:54:20.304310
"""

```python
from typing import List, Dict


class FactChecker:
    """
    A simple fact-checking system that validates statements against a provided dataset.
    """

    def __init__(self, data: Dict[str, bool]):
        """
        Initialize the FactChecker with a dataset.

        :param data: A dictionary where keys are statements and values indicate their validity (True for true).
        """
        self.data = data

    def check_facts(self, statements: List[str]) -> List[bool]:
        """
        Check if provided statements are valid based on the stored dataset.

        :param statements: A list of string statements to be checked.
        :return: A list of boolean values indicating whether each statement is true or false according to the data.
        """
        results = []
        for stmt in statements:
            # Simplified logic, assumes case-insensitive matching
            if stmt.lower() in self.data.keys():
                results.append(self.data[stmt.lower()])
            else:
                results.append(None)  # Unknown statement
        return results


# Example usage

if __name__ == "__main__":
    # Define a simple dataset for fact-checking
    fact_data = {
        "the earth is round": True,
        "pyramids were built by ancient egyptians": True,
        "aliens have visited earth": None,  # Unknown or controversial statement
        "water boils at 100 degrees Celsius at sea level": True
    }

    # Create a FactChecker instance with the dataset
    fact_checker = FactChecker(fact_data)

    # List of statements to check
    statements_to_check = [
        "The Earth is round",
        "Pyramids were built by ancient Egyptians",
        "Aliens have visited Earth",
        "Water boils at 100 degrees Fahrenheit"
    ]

    # Check the facts and print the results
    results = fact_checker.check_facts(statements_to_check)
    for statement, result in zip(statements_to_check, results):
        if result is not None:
            print(f"Statement: {statement} - {'True' if result else 'False'}")
        else:
            print(f"Statement: {statement} - Unknown")
```