"""Create reasoning_engine
Generated by Phi-Octopus Eden
2025-11-08 17:13:29.901398
"""

```python
from typing import List, Dict


class ReasoningEngine:
    """
    A simple reasoning engine that processes a set of rules and facts to infer new conclusions.
    """

    def __init__(self):
        self.rules: Dict[str, List[List[str]]] = {}
        self.facts: List[str] = []

    def add_rule(self, rule_name: str, conditions: List[str], conclusion: str) -> None:
        """
        Adds a new rule to the reasoning engine.

        :param rule_name: Name of the rule
        :param conditions: Conditions that need to be true for the conclusion to hold
        :param conclusion: The inferred conclusion if all conditions are met
        """
        self.rules[rule_name] = [conditions, conclusion]

    def add_fact(self, fact: str) -> None:
        """
        Adds a new fact to the reasoning engine.

        :param fact: A statement that is assumed to be true
        """
        self.facts.append(fact)

    def infer_conclusions(self) -> List[str]:
        """
        Infers conclusions based on existing rules and facts.

        :return: List of inferred conclusions
        """
        conclusions = []
        for rule_name, (conditions, conclusion) in self.rules.items():
            if all(cond in self.facts for cond in conditions):
                conclusions.append(conclusion)
        return conclusions


# Example usage:
reasoning_engine = ReasoningEngine()
reasoning_engine.add_rule("rule1", ["p"], "q")
reasoning_engine.add_rule("rule2", ["r", "s"], "t")
reasoning_engine.add_fact("p")
reasoning_engine.add_fact("r")

conclusions = reasoning_engine.infer_conclusions()
print(conclusions)  # Output: ['q']
```