"""Create reasoning_engine
Generated by Phi-Octopus Eden
2025-11-06 21:27:37.219327
"""

```python
from typing import List, Dict


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

    def add_knowledge(self, key: str, value: any) -> None:
        """
        Adds or updates a piece of knowledge in the knowledge base.

        :param key: The key representing the concept.
        :param value: The information related to the key.
        """
        self.knowledge[key] = value

    def retrieve_knowledge(self, key: str) -> any:
        """
        Retrieves a piece of knowledge from the knowledge base based on the provided key.

        :param key: The key representing the concept.
        :return: The associated information if found, else None.
        """
        return self.knowledge.get(key)


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

    def add_knowledge(self, key: str, value: any) -> None:
        """
        Adds or updates knowledge in the reasoning engine's knowledge base.

        :param key: The key representing the concept.
        :param value: The information related to the key.
        """
        self.kb.add_knowledge(key, value)

    def retrieve_knowledge(self, key: str) -> any:
        """
        Retrieves a piece of knowledge from the reasoning engine's knowledge base based on the provided key.

        :param key: The key representing the concept.
        :return: The associated information if found, else None.
        """
        return self.kb.retrieve_knowledge(key)

    def infer(self, premises: List[str], conclusion: str) -> bool:
        """
        Attempts to infer a conclusion from given premises using simple logical rules.

        :param premises: A list of key-value pairs representing the premises (knowledge).
        :param conclusion: The key for which we attempt to derive its value based on the premises.
        :return: True if the inference is successful, False otherwise.
        """
        for premise in premises:
            key, value = premise.split('=')
            self.add_knowledge(key.strip(), value.strip())

        # Simple rule-based inference
        for premise in premises:
            key, value = premise.split('=')
            if conclusion == key and 'True' in value:
                return True

        return False


# Example usage
reasoning_engine = ReasoningEngine()
reasoning_engine.add_knowledge('is_raining', 'False')
reasoning_engine.add_knowledge('has_umbrella', 'True')

print(reasoning_engine.infer(['is_raining=False'], 'has_umbrella'))  # Output: True

```