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: Came out to support Foothill Family Services and congratulate them on their 89 years of service to our community.  Responser: Great Organization... You love fabulous Congresswoman Chu...Felix Navidad!
