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 Birthday Mom! Thank you for loving me and our children. We are blessed to have you in our lives and love you very much!  Responser: So, we share our birthday month. I like sharing it with you.
