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: Are you on Goodreads? Dean's Goodreads group, Koontzland, has selected WILDERNESS and INNOCENCE for its December Group Reads. Join the group and read along!  Responser: Ya'll have "got" to read the "ODD" series. LOVE 'em!
