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: Driving to SAN FRAN for our 2nd to last tour show tonight! @jesseruben will be on @ 9 & ill go on @ 10 so come give us hugs. Xoxo  Responser: Wish I was there to Cheer you on girl and Jesse. Please do show in San diego. :)
