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'm not waiting for the dust to settle, I'm looking to stir it up in Paris. #ASICSTennis #ASICS #RG16 #Tennis #WantItMore  Responser: Pulling for you young lady! I'm a CoCo fan!
