chat_history: ['you know at work, one of my coworker is always singing to himself, it bugs me', 'Oh dear, but are you allowed to sing at work? That must be so annoying.', 'it really is, he thinks he knows how to sing, i would not be so annoying if he knew how to sing']
sys_response: He needs to just sing in the shower. Tell him to quit singing.
situation: you know at work, one of my coworker is always singing to himself, it bugs me