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: We have the right to protest but we must protest in peace. My prayers are with the families of the officers and peaceful protesters shot in Dallas tonight. I look forward to the swift capture of their attackers and peace for their families.  Responser: 10 shot, 3 died. Who is teaching respect for life?
