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: Pres. Obama floats making voting mandatory, calling it 'potentially transformative' -- Should voting be mandatory?  Responser: Hell no I don't even like the idiots who have no idea what's going on voting.
