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: Enjoyed hearing Dick Durbin speak last night to the New Trier Democrats!  Responser: Do you really mean it or are you just saying that to be nice?

Neutral