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: #NelsonMandela - a great light and great leader who showed us thru his life how to overcome differences & unite people  Responser: tulsi is a true follower of him and mahatma gandhi. you are one of few sources of inspiration in this troubled world and selfish world.
