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: Are you going to the Nevada Day Parade in Carson City on Saturday? Come and celebrate Nevada Day with Lynne and me.  Responser: Stop by Webofsupport.Com's table on the steps of City Hall:) Sign a card for a soldier and donate to ships goodies for Christmas:)
