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: I'm heading to the State Fair today in Huron. What's your favorite part of the festivities?  Responser: roasted corn on the cob dipped in butter and sprinkled with pepper and a beer to wash it down.
