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.

Example Input: Poster: End of the day blast home is so much fun : @hugopeckham  Responser: Helmets not much use strapped to your bag
Example Output: Neutral

Example Input: Poster: ICYMI: By popular request...  Responser: I was reading some of the leaked emails and ran across one I found interesting. Do they know something we don't? Sounds as if it's so rigged not only do they know she has this one won but the second term as well. https://wikileaks.org/podesta-emails/emailid/3545
Example Output: Neutral

Example Input: Poster: On a plane again...next stop - Mutua Madrid Open!!  Responser: Good luck and bring back some Wins!
Example Output:
Positive

