chat_history: ['Two years ago I got diagnosed with MS.', "What'd MS?", 'Its a disease that attacks the nervous system. It was really scary to find out I had it. I just went blind in my right eye one day. Two days and several test later I found out I had MS.']
sys_response: Well ,I pray you get through it
situation: A couple years ago I suddenly went blind in my right eye. Two days and several test later, I found out I had MS.