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: Celebrate Fathers day at the Irvine Improv. I'm taping the Addam Corolla podcast at 5 then my show at 7  Responser: I wish i could be there. I think ur funny as heck. Ttyl.
