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 view from today's Oversight and Government Reform Committee field hearing in Richardson.  Responser: https://www.youtube.com/watch?v=UegZ9LDjBeg&feature=youtube_gdata_player

Neutral