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: I'm back in Washington D.C. Looking forward to attending President Obama's State of the Union speech tonight with Senator Reid.  Responser: Mis mejores deseos para ti SIEMPRE!!! Mucho exito en todos tus proyectos!! Best wishes always!!!
