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: Don't Forget: If you'd like to meet with me or need assistance with the federal government, I'll be at the #Whitehouse Village Hall from noon to 3 p.m. tomorrow. #OH5 #LucasCounty  Responser: Why won't Representative Latta hold public meetings?
