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: The U.S. has just negotiated to catch more haddock, scallops, and other species in waters it shares with Canada. This is great news for Maine fishermen.  Responser: Thank you Rep. Pingree! Finally we have someone representing Maine with the common sense we Mainers expect from our elected officials.
