Definition: Given a 'poster' sentence and a corresponding 'response' (often, from Facebook or Reddit)classify the sentiment of the given response into four categories: 1) Positive, 2) Negative, 3) Neutral, and 4) Mixed if it contains both positive and negative.
Input: Poster: "Mike Michaud and his brothers and sisters are in my thoughts and prayers at this difficult time as they grieve the loss of their beloved mother."  Responser: US politicians like Susan Collinshave been bought by the Zionist lobby. Watch AIPAC 101 What Every American Should Know http://www.youtube.com/watch?v=IqM2EXFdOnM
