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: Pure Workout Motivation pt.2 What do you think of this video? Like / Share / Comment Shaun Stafford Fitness  Responser: Lloyd Christopher Rea
