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: In 2011, the #Stow Historical Society sealed the Stow time capsule filled with cultural artifacts and letters to be opened in the year 2061! #3DThursday  Responser: Please tell me they stuck Obama care in it.
