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: Reminder: Daylight Saving Time begins Sunday at 2 a.m. Be sure to set your clocks an hour ahead when you go to sleep tonight.  Responser: Let's end this stupid antique daylight saving practice. www.petition2congress.com
