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: My deepest congratulations to Assemblymember John Prez for being newly elected as our next Speaker of the Assembly!  Responser: Thanks for all your hard work and all that you are doing for California Speaker Bass!
