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: I recently announced his nomination of eight students who have received appointments to a Service Academy in the graduating class of 2014.  Responser: The announcement states that 8 were selected but only 6 were present. Are there two more?
