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: Check out my latest blog entry at USAToday.com!  Responser: hopefully you'll be able to come back for the US Open.. i'll be crossing my fingers. good luck B
