5. (Excellent): The response is highly natural and matches the context and emotion perfectly, closely resembling real conversation.
4. (Good): Appropriate and natural overall, with only slight flaws.
3. (Fair): The intended meaning is clear, but the emotional or contextual fit feels somewhat awkward, reducing immersion.
2. (Poor): The response does not align well with the context or emotion, lacking empathy and engagement.
1. (Very Poor): The response fails to reflect the context or emotion, breaking the sense of a real conversation.