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: Today, we mourn the passing of my dear friend of many years, actress and civil rights activist Ruby Dee, whom I truly admired. Ruby lived a productive life and is well-recorded in the history of this nation and her work will be cherished for years to come.  Responser: Beautiful and very talented lady/actress!
