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: A 7-year-old Texas boy was returned home safely thanks to the actions of a pizza shop employee on a smoke break.  Responser: Great job!!! Always follow your gut instincts.
