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: Love sharing the screen with our ABC News #ExtremeWeatherTeam. Join us again tonight on ABC World News Tonight with David Muir.  Responser: Great Team of Weather Reporters!
