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: Need help getting psyched for our launch next Monday (2/27) @ 3p PST/ 6p EST? Then maybe check out our audio promo: https://t.co/HW54aYSMHQ  Responser: Is the show going to be podcast?
