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: The Capitol is now in lockdown due to a report of shots being fired. My staff and I are safe in my office. My thoughts and prayers are with everyone impacted.  Responser: Ohh Geeze.. Hope this is over soon.
