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: Almost back home after a full day in Billings. Ended the night at the Festival of Trees, a great event for the Family Tree Center of Billings - glad to see such a large crowd there this evening! Here is a shot of the USA tree Cindy and I picked out tonight.  Responser: Please do not show pictures of dead animals a lot of people don"t like seeing this.This will help on getting votes.Showing photo of dead animals will not.""
