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: It's almost time! Make sure you're watching MSNBC's Melissa Harris-Perry at 10:30. I'll be on air discussing the latest round of attacks on women's healthcare. Don't miss it!  Responser: You did that. Keep representing us with grace and truth.
