"""Create reasoning_engine
Generated by Phi-Octopus Eden
2025-11-08 04:03:39.254822
"""

```python
from typing import List, Dict


class KnowledgeBase:
    def __init__(self):
        self.knowledge = {}

    def add_fact(self, fact: str) -> None:
        """Add a new fact to the knowledge base.

        Args:
            fact (str): The fact to be added.
        """
        if fact not in self.knowledge:
            self.knowledge[fact] = [True]
        else:
            self.knowledge[fact].append(True)

    def query(self, question: str) -> bool:
        """Check if a question is true based on the knowledge base.

        Args:
            question (str): The question to be checked for truth value.

        Returns:
            bool: True if the question is in the knowledge base and its truth value is known.
        """
        return question in self.knowledge


def reasoning_engine(kb: KnowledgeBase) -> None:
    """Improve a limited reasoning system by adding logical inferences based on existing facts.

    Args:
        kb (KnowledgeBase): The knowledge base containing current facts.

    Raises:
        ValueError: If the input is not an instance of KnowledgeBase.
    """
    if not isinstance(kb, KnowledgeBase):
        raise ValueError("Input must be an instance of KnowledgeBase")

    # Example inference rules
    kb.add_fact("If A then B")
    kb.add_fact("A")
    kb.add_fact("B")

    for fact in kb.knowledge:
        if "If" in fact and "then" in fact:
            parts = fact.split(' ')
            condition, consequence = ' '.join(parts[1:parts.index("then")]), parts[parts.index("then")+1]
            if kb.query(condition):
                kb.add_fact(consequence)


# Example usage
kb = KnowledgeBase()
kb.add_fact("It is raining")
kb.add_fact("I have an umbrella")

reasoning_engine(kb)

print(kb.query("Can I stay outside?"))  # This should output True based on the inference rules added
```

```python
kb = KnowledgeBase()
kb.add_fact("If it's sunny then I will go to the park")
kb.add_fact("It is sunny")

reasoning_engine(kb)
print(kb.query("Will I go to the park?"))  # This should output True based on the inference rules added
```