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: You cannot allow illegal immigration and have a nation with legal immigration as well. If you're going to have illegal immigration, there's no point to the legal immigration. "Like" if you agree.  Responser: What credibility do lawmakers have with future immigration law if they will not enforce current immigration law?
