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: Dec 7, 1941 - The attack on Pearl Harbor changed the USA forever. Today we honor those who fought and died for this great nation.  Responser: God bless our troops from long ago and today
