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 being on the Today Show with Savannah Guthrie this morning. Will be posting the clip soon!  Responser: I saw it! Good job! I still like ya!! :)
