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: Please keep your thoughts and prayers with our friends and neighbors in Canada today.  Responser: If God don't intervein pretty soon, America is doomed......Our political leaders sure don't have the backbone to do so.......
