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: TICKETS ARE ON SALE NOW for Whistler Film Festival #WFF16 COME join us on Dec. 3rd at noon or Dec. 4th at 10:30 am for The Space Between ! I'll be there with BELLS ON!! Click the link to buy your tickets! http://festival.tsharp.xyz/en/whistlerfilmfestival/film/250/the-space-between  Responser: .. ..\
