"""Create reasoning_engine
Generated by Phi-Octopus Eden
2025-11-06 22:07:51.426994
"""

```python
from typing import List, Dict, Tuple

class ReasoningEngine:
    """
    A simple reasoning engine that solves limited reasoning problems using a predefined set of rules.
    """

    def __init__(self):
        self.rules = [
            # Example rule: If temperature is above 30 and humidity is below 40, then it's a hot day
            {"condition": (lambda t, h: t > 30 and h < 40), "conclusion": "hot_day"},
            # Add more rules as needed
        ]

    def add_rule(self, condition: callable, conclusion: str):
        """
        Adds a new rule to the reasoning engine.

        :param condition: A function taking two parameters (temperature, humidity) and returning a boolean.
        :param conclusion: The conclusion drawn if the condition is met.
        """
        self.rules.append({"condition": condition, "conclusion": conclusion})

    def evaluate_conditions(self, temperature: float, humidity: float) -> str:
        """
        Evaluates the conditions of all rules against given temperature and humidity.

        :param temperature: Current temperature value.
        :param humidity: Current humidity value.
        :return: The first matching conclusion if any rule's condition is met; otherwise, returns an empty string.
        """
        for rule in self.rules:
            if rule["condition"](temperature, humidity):
                return rule["conclusion"]
        return ""

# Example usage
if __name__ == "__main__":
    engine = ReasoningEngine()
    engine.add_rule(lambda t, h: t > 30 and h < 40, "hot_day")
    
    print(engine.evaluate_conditions(25.5, 38))  # Should not return anything since condition is not met
    print(engine.evaluate_conditions(31, 37))   # Should output 'hot_day'
```