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.

Ex Input:
Poster: On MLK weekend, where service and civility are celebrated, I stand with @repjohnlewis, an American icon and continuing reminder of the power of #civility.  Responser: Rep. Cleaver. Please show your support for Rep. John Lewis and do not attend the inauguration ceremony on the 20th.

Ex Output:
Negative


Ex Input:
Poster: Congratulations to Moberly in the announcement of the arrival of a leading shingle manufacturing company which will employ 125 people!  Responser: Good for them, we're losing about that many in Clinton.

Ex Output:
Positive


Ex Input:
Poster: "@toddschnitt: In 1minute, Congresswoman Ileana Ros-Lehtinen @RosLehtinen joins us to talk about Beyonce and Jay Z in Cuba."  Responser: democracy is our best defense. Without education we can not defend ourselves. Respect for freedom and democracy is stronger than any other bond. The most important values are freedom and life

Ex Output:

Mixed


