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: Happy Memorial Day! Thank you to those who have served or are serving in the armed forces and to your families.  Responser: Happy Memorial Day Bitsie! Nugget [[PHOTO]]

Positive