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: Sidelines for @packers kickoff!! Nothing like some snow at #lambeaufield  Responser: Luv those boots Beth!! Bring me some to AO.
