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: Today is the 72nd anniversary of #DDay. Let us never forget the sacrifices made on the beaches of Normandy. #DDay72  Responser: Can John McCain or Ann Kirkpatrick or Kyrsten Sinema have this exposed and the law enforced? tucsonva.com
