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: My last e-update was about 2016, Iran, Instagram and more. Don't miss out on future updates. Sign up here: http://www.electadam.com  Responser: is there a birth defects from DUA problem going on over there or is it trumped up crap?
