chat_history: ['i believed my friend would return my cell phone to me in time', "I'm assuming that he/she didn't return it in time. I'm sorry.", 'i accidentally left it at his house and had to message him on facebook and ask him if he could drive it over']
sys_response: Oh, I understand. Did it bring it to you at all?
situation: i believed my friend would return my cell phone to me in time