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: Be on the lookout for a Hurd for Congress volunteer in your neighborhood. We're out reminding folks that you can start voting early for Will Hurd on Monday!  Responser: Loved walking the block today for Will. Jessie and Annabella rock!
