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: Concerning NSA phone records report is exactly why I have repeatedly fought against the overreach of the PATRIOT Act and voted against it every time.  Responser: I use in the translation Google
