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: Imiloa Astronomy Center of Hawaii with Ka'iu Kimura, Executive Director  Responser: Kaiu Kimura is awesome, and it's great to see you there, Brian. 'Imiloa is a great asset to to Hawai'i Island.
