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: We are now on Day 46 since House Republicans passed a bill to fund the government and cut spending. Since then the Democrats in the Senate have passed exactly zero bills to do the same.  Responser: Well, at least Thune's in overdrive, doin' what he can. Hopefully Johnson is too, 'else he's in trouble. God, help us.
