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: Great speaking at the Women's Leadership Forum about working across party lines to pass #VAWA.  Responser: You literally "wrote the book" on this subject, KS.
