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: ICYMI: This week the Republican Policy Committee's Millennial Task Force held an important hearing on the role of millennials in the workforce. WATCH:  Responser: Or my message. Apparently you don't really care about the millennials
