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: Best wishes to everyone for a happy holiday. Watch this video greeting: http://youtu.be/Q8QGNJdd1pI  Responser: Ask santa to bring me some insrance I can affiord. My taxes pay for your insurance.
