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: On our Jobs For Washington Tour with Friends of Derek Kilmer, Denny Heck for Congress, and Kathleen Drew for Secretary of State in Aberdeen, Shelton, and Olympia on 10/31!  Responser: Sherri B, leafleting in a driving rain for Jay at 6AM in Tacoma, back in Aberdeen looking sharp for the rally!!!! Thanks, Sherri!!!
