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: I returned today from a weekend in Chicago, where our entire family gathered to join Sandy and me in celebrating the wedding of our third son. Congratulations, Jordan and Olivia!  Responser: May God continue to richly bless your wonderful family
