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: Our story from Good Morning America: How to Sell Phone Without Selling Out Privacy #GMAInvestigates VIDEO: http://abcnews.go.com/GMA/video/sell-phone-selling-privacy-26067497  Responser: I saw this the day after I sold my phone because I got my new IPhone 6 I hope I wiped it right! lol
