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 Mother's Day to all the amazing moms out there!  Responser: Just got a phone call from our daughter and one granddaughter while sitting in the Hanabusa booth at Maku'u Farmers market near Pahoa. Hooray for cell phones!
