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: Over/under for Obama to blame George W? I say 10mins.  Responser: as always, key drinking game words will be "inherited" and "investments".

Negative