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: John talks to his Mom every day, a bond that speaks for itself. Check out what John had to say to American Express about his bond with his mother at http://nextcontenders.com/tag/isner+video/  Responser: I've met his mom and talked to her enough to know she's awesome. She raised a gentleman too.
