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: Had the opportunity to interview with the Washington Post regarding my and Catherine Cortez Masto's historic candidacies for Congress. Check out the video below.  Responser: Keep it up Ruben, You're not only making CD4 proud but also us here in CD1.
