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: Hillary Clinton's just-released LGBT equality platform is bold and courageous. I'm proud to be #LGBTforHillary  Responser: Oh please - Bernie was with us all along.

Negative