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: Saw THE BUTLER. My ANTM cycle 3 alum Yaya does a stellar job in it! And Oprah's "oxygen" scene...OWNing it!  Responser: Shes a great actress!!!
