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: People keep asking me, "How are you writing a sequel to Warm Bodies? What could it possibly be about?" When I was writing Warm Bodies, people kept asking me, "How are you writing a novel with a zombie protagonist? What could it possibly be about?" Settle down. I got this.  Responser: Lol. I'll anxiously await it!
