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: Friends, please join me in wishing Cory Booker and his fellow neighbor a speedy and healthy recovery from last night's fire in Newark. Cory, Newark and all of New Jersey is proud of your courage to walk into a burning house to save the life of your fellow neighbor. Thank you for your bravery.  Responser: Way to go, Mayor Booker! Get well!
