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: THEN & NOW: #BobbyRiggs & me at Battle of the Sexes presser in 1973; #SteveCarrell and #EmmaStone as us, filming now!  Responser: I was at Mount Holyoke College (all women). The campus and town went crazy. I'll never forget that. Thanks. Glad they are making a movie.
