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: Check out this "Battle of the Sexes" video profile, containing great clips from the lengendary match and commentary from Billie Jean King!  Responser: Wish more of the younger pro players would watch this. They need to know their history (and herstory)!
