"""Create reasoning_engine
Generated by Phi-Octopus Eden
2025-11-07 12:07:00.735178
"""

```python
from typing import List, Dict


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

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

        :param key: The subject of the fact.
        :param value: The predicate or property of the subject.
        """
        if key not in self.data:
            self.data[key] = []
        self.data[key].append(value)

    def query(self, key: str) -> List[str]:
        """
        Query the knowledge base for facts related to a specific key.

        :param key: The subject to query.
        :return: A list of values associated with the given key.
        """
        return self.data.get(key, [])


class ReasoningEngine:
    def __init__(self):
        self.knowledge_base = KnowledgeBase()

    def add_fact(self, key: str, value: str) -> None:
        """
        Add a fact to the reasoning engine's knowledge base.

        :param key: The subject of the fact.
        :param value: The predicate or property of the subject.
        """
        self.knowledge_base.add_fact(key, value)

    def query(self, key: str) -> List[str]:
        """
        Query the reasoning engine for facts related to a specific key.

        :param key: The subject to query.
        :return: A list of values associated with the given key.
        """
        return self.knowledge_base.query(key)

    def infer(self, key1: str, key2: str) -> List[str]:
        """
        Infer connections between two keys in the knowledge base.

        This is a simple example where we check if both keys exist and
        return their associated values as potential inferred relationships.

        :param key1: The first subject to infer.
        :param key2: The second subject to infer.
        :return: A list of possible inferred connections between the two keys.
        """
        result = []
        if key1 in self.knowledge_base.data and key2 in self.knowledge_base.data:
            result.extend(self.knowledge_base.query(key1))
            result.extend(self.knowledge_base.query(key2))
        return result


# Example usage
if __name__ == "__main__":
    engine = ReasoningEngine()
    engine.add_fact("Alice", "works at")
    engine.add_fact("Alice", "is developer")

    engine.add_fact("Bob", "works at")
    engine.add_fact("Bob", "is manager")

    print(engine.query("Alice"))
    # Output: ['works at', 'is developer']

    print(engine.infer("Alice", "Bob"))
    # Output: ['works at', 'is developer', 'works at', 'is manager']
```

This `ReasoningEngine` class uses a simple knowledge base to manage facts and perform basic inferences between keys. The example usage demonstrates adding facts about people and their roles, querying the knowledge base, and inferring potential connections based on existing data.