Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Mental disorder with personalities changes.

I have a friend that her daughter has MPD switiching into seven defferent people within their own mood changes, good and bad. Would like to know how commom is this disease?Would like to know more about the MPD. Whom to talk to, Doctors, hypnotherist, whomever that can give some insight on MPD Thank You John