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: Had a great time in Battle Mountain and Winnemucca this weekend.  Responser: What?? it's over?? how can we, in the very rural areas, get information about such events??
