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: My godfather, Carlos.  Responser: The Day of the Jackal. If you're a master criminal or international assassin, do you get to choose your own nickname. I might choose Dennis the Donkey. Would you choose Chevy the Chaffinch?
