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: Yo espero, o quizs no , algn da lleguemos a #Miami! Gracias #Brasil por una experiencia nica e inolvidable. #fifaworldcup #UDmundial #MaityenelMundial @despiertaamericatv  Responser: Bienvenida d brazil paisana se le estraa
