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: Libyan rebels control green square in the center of Tripoli. Let us pray for a peaceful formation of a representative government.  Responser: I'm convinced the Represenative Government they create will be a Theocracy led by the Muslim Brotherhood. Same Devil, Different Face.
