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: Honored to announce I'm playing with one of my fav bands ever, DEERHOOF for TINDERBOX. Will also be alongside Elizabeth + The Catapult plus more. 11/1 music hall of willyburg  Responser: Damn thats a sweet lineup. Samuel we're defs going to this.
