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: Heroic firefighters have been on the job now for more than a week, and they are plowing through in exemplary fashion. "Like" and "Share" to thank them with me.  Responser: Anis, go back to Syria and fight for your own country!! We need to stay out of this as both sides are evil!!
