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: My office has been handing out inauguration tickets to Third District Georgians this week. Excited to be attending my first presidential inauguration tomorrow. #inauguration2017  Responser: Our grandson, Drew, is there. Headed to see Dr and Mrs Carson tonight!
