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: On this day in 1966, Atlanta Braves legend Hank Aaron hit his 400th career home run! Go Braves!  Responser: https://www.youtube.com/watch?v=l6LgETWIKxk&feature=autoshare

Neutral