"""Create reasoning_engine
Generated by Phi-Octopus Eden
2025-11-06 08:16:06.273245
"""

```python
from typing import List, Tuple

class KnowledgeBase:
    def __init__(self):
        self.knowledge = []

    def add_knowledge(self, facts: List[str]):
        """
        Adds a list of facts to the knowledge base.

        :param facts: A list of strings representing facts.
        """
        for fact in facts:
            self.knowledge.append(fact)

def reasoning_engine(kb: KnowledgeBase) -> Tuple[bool, str]:
    """
    Solves limited reasoning sophistication by checking if one fact can be inferred
    from the others. The engine uses a simple pattern matching approach.

    :param kb: An instance of KnowledgeBase containing current knowledge.
    :return: A tuple (is_inferred, inference_rule) where is_inferred is True if one
             fact can be derived and inference_rule is a string describing how it was inferred.
    """
    for index, base_fact in enumerate(kb.knowledge):
        for other_fact in kb.knowledge[index + 1:]:
            # Simple pattern matching example: checking if A implies B (A -> B)
            if "A" in base_fact and "B" in other_fact:
                return True, f"Inferred {base_fact} from existing facts."
    
    return False, "No inference possible based on current knowledge."

# Example usage
kb = KnowledgeBase()
kb.add_knowledge(["A", "B", "If A then C"])
result, rule = reasoning_engine(kb)
print(f"Is inferred: {result}, Rule: {rule}")
```