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: When CNN asked me for a question for #CNNDebate (featured along with questions of others on their homepage) it was a no brainier to ask one about #FreeAmirNow  Responser: They can send a man to the moon but can't get this Marine out of Iraq! Something wrong with this picture
