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: Standing with Jackie all the way down in New Mexico!!  Responser: Kinda stretching for voters there! Lol. Mullen's the real expert on voters from outside the district, being from DC himself.
