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: Bret Baier: "The Clinton Foundation investigation is far more expansive than anybody has reported I think so far."  Responser: We never hear Hillary Clinton say let's clean up BC she causes corruption even our children see it
