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: Congratulations to Mayor of Spokane, David Condon! The stork is on its way! He and his wife are expecting their third child in October. City of Spokane - Municipal Government  Responser: Hows about those Impeachment hearings for Obama?
