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: Andre Agassi will play World TeamTennis this July! Agassi and the Boston Lobsters will take on John McEnroe & The New York Sportimes on Randall's Island on July 19 as part of a benefit for the Johnny Mac Tennis Project! For more information & to purchase tickets, follow the link below!  Responser: Andre and McEn........... rocking............ thrill to watch.....
