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: Great to catch up with Louis, a former intern from my Watertown District Office, this afternoon. Louis is currently a junior at St. Lawrence University in Washington, DC this semester for an internship program.  Responser: Wait, if she did all you say Brad then Louie is in Good company.
