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: Son (5 yrs. old): Die is 2 words, right? Like Michael Jackson and like Easter eggs, right? Me: Um, yeah sure. Son: Zombies. Me: Zombies.  Responser: Now, that's a conversation only a dad can really understand
