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: Heading to Nevins in Methuen to honor servicemembers at a Memorial Day event; but our gratitude is everlasting, not limited to just one day.  Responser: http://www.huffingtonpost.com/2014/05/25/memorial-day-2014-observations_n_5389556.html [[SHARE]]
