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: Congresswoman Waters Congratulates Magic Johnson and Sean "P. Diddy" Combs, Applauds Comcast's Launch of Minority-Owned Channels  Responser: Congrats and huge thanks to Congresswoman Waters for her tireless efforts. We appreicate all that you do on behalf of your constituents and abroad.
