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: At the Tigard Rotary today I spoke about the need to tone down the rhetoric and get back to work in DC. I'm committed to pushing back against the partisanship.  Responser: That's a very noncommittal comment, Congressman.
