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: A new Fox News poll shows Donald J. Trump holding a seven-point lead over Hillary Clinton among Independent likely voters. This is a shift in favor of Trump -- last week the two candidates were tied in this voting bloc.  Responser: Trump - Pence has my family vote.
