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: Budget bluster: Wolf offers nothing on liquor, little on pensions http://t.co/t8PaYbFjzn via @pittsburghpg  Responser: I'm glad you are working for the most vulnerable!
