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: Nancy Pelosi should have been on the cover of TIME. Explained on tonight's #WADR http://bloom.bg/1wZ1WtM  Responser: Found a typo in this post. It should read, "I should have been on the cover of Time Magazine," exclaimed Nancy Pelosi. *Kanye West v Taylor Swift moment.
