chat_history: ['I play guitar as a hobby but rarely play in front of other guitarists.  I only feel comfortable doing it if the people around me play worse or not at all.']
sys_response: I think that's a kind of natural reaction, especially if it is just a hobby. I would have a fear of being judged.
situation: I play guitar as a hobby but I hardly ever play in front of other guitarists.  I only feel comfortable doing it if I know those around me can't play as well or at all.