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: Obsessed with my new @adidas #PureBOOSTX Super comfortable - the floating arch is awesome! Check em out adidas.com/pureboostX  Responser: so bad this girl!!! She is a mafias, and a looser!!

Negative