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: Constituent relations representatives will be holding office hours throughout the district in February. These hours are a great way to get assistance with a federal agency like the VA and IRS. See the link for times and locations.  Responser: When will you be there in person?
