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: I ran out to the gym this morning and grabbed the wrong change of clothes! Ended up with this costume from Virtuosity! Must sayit's been an interesting day!!!!  Responser: it was a great day for the people at the gym because they got an extra treat!!
