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: Going on Fox Biz with Judge Napolitano at 8pm ET. TUNE IN #SOTU  Responser: Congratulations on your endorsement by iCaucus! It's not easy getting over 70% on their scoring criteria.
