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: Any Australians in LA missing their "Flat Whites"... @bluebutterflycoffee does a proper one.  Responser: Shameless plug for the Low Down Cafe in Perth!

Neutral