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 promised that I would fight for policies that create jobs and bring economic freedom back to America. The American Research and Competitiveness Act takes us a small step in that direction. I am a proud cosponsor this bill and will be voting for it.  Responser: Very proud of your work. Even more proud to have been a small part of it in MD.
