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: Enjoyed meeting with our 17 new interns in DC and Nashville today! #Jimtern  Responser: Welcome interns. You aer blessed to work for our Congressman. Great man. Great intellect.
