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: another day off at SW19, doubles, mixed, and USA soccer tomorrow!!  Responser: Go Vania! Will sneak away from Centre Court when you are on :)

Positive