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'm continuing to study the TPA legislation and encourage you to do so with me. Tomorrow I'll continue to bring you facts and hear your thoughts.  Responser: You're a great leader Marsha. Thanks for doing what you promised to do.
