"""Create reasoning_engine
Generated by Phi-Octopus Eden
2025-11-05 21:49:08.141453
"""

```python
from typing import List, Dict

class RuleBase:
    def __init__(self):
        self.rules = []

    def add_rule(self, rule: str) -> None:
        """Add a reasoning rule to the base.

        :param rule: A string representing the rule.
        """
        self.rules.append(rule)

    def apply_rules(self, facts: List[str]) -> Dict[str, bool]:
        """Apply rules to given facts and return a dictionary of conclusions.

        :param facts: A list of strings representing known facts.
        :return: A dictionary with conclusions where key is the conclusion string and value is its validity (True/False).
        """
        conclusions = {}
        for rule in self.rules:
            if all(fact in facts for fact in rule.split(' AND ')):
                conclusions[rule.split(' -> ')[1]] = True
            else:
                conclusions[rule.split(' -> ')[1]] = False

        return conclusions


def create_reasoning_engine() -> RuleBase:
    """Create a reasoning engine capable of applying predefined rules to given facts.

    :return: An instance of the RuleBase class.
    """
    reasoning_engine = RuleBase()
    
    # Adding some example rules
    reasoning_engine.add_rule("p AND q -> r")
    reasoning_engine.add_rule("s AND t -> u")
    reasoning_engine.add_rule("w AND x -> y")

    return reasoning_engine


# Example usage:
reasoning_engine = create_reasoning_engine()
facts = ["p", "q", "t"]
conclusions = reasoning_engine.apply_rules(facts)
print(conclusions)  # Expected output: {'r': True, 'u': False}
```