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: Congressional E911 Caucus Introduces Legislation to Fund and Improve 9-1-1 Systems  Responser: 9-1-1 is literally a lifeline. It is NOT a waste of time. Thank you, Anna.
