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.
Q: Poster: 19 Days to Go! Let's Do This! #ImWithHer  Responser: Ruben thank you sir for all your hard work!!! Go hillary!
A: 
Positive