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: "I should stay strong But I'm weak And what's wrong with that? Boy, oh, boy, I love it when I fall for that"  Responser: I want to talk to you
