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: Governor Hassan just signed the bipartisan health care expansion plan into law to help cover 50,000 hard-working people. Share this image to help us thank all who made today possible!  Responser: Thank you for the bipartisan efforts of the NH House and Senate and the leadership of Gov. Maggie Hassan.
