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: Happy Texas Independence Day to Texans here and across the world. No matter where our travels lead us, being Texans always brings us together.  Responser: Thank your Congressman Green. Proud to be an Texan supporter of your district.
