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: Our gun rights are on the line in this election. I'm proud of my A+ rating from the NRA, and I'll fight every day to protect our 2nd Amendment rights.  Responser: Matt is what we need and no one else. Just follow his record that speaks for the type person he is!!!
