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: After a long ass time, my ratchet ode to my beloved city reached a mil. Gonna go eat some bento boxes alone - props to my director Court Dunn  Responser: I still haven't gotten my iPad stolen.
