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: Good Morning friends!! R U feeling a little stressed? Come on down to the plaza by Studio 5 to get a free massage sometime between 6 and 7 AM! Its on us, NBC 5!!  Responser: good morning daniella
