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: Aug 2 - a special day. My first bill "Helping Heroes Fly Act" passed House & Senate unanimously and goes to President for signature.  Responser: Congresswoman Tulsi Gabbard continues to work FOR the People. Mahalo Tulsi!
