In this task, you are given a statement spoken by a politician in natural language. Your task is to generate the subject of the discussion for the given statement. The subject generated is not necessarily a part of the given input. Your answer should contain one or more words.

Q: The United States has more of our people in prison than Russia, China, and North Korea combined.

A: china
****
Q: "The Massachusetts Supreme Court...defined marriage as simply, quote,the establishment of intimacy ... I guess that would mean if you really had affection for your horse, I guess you could marry your horse."

A: gays-and-lesbians
****
Q: In 2010, the non-partisan Government Accountability Office found that only 6.5 percent of the U.S.-Mexico border was under full control of the Border Patrol.

A:
immigration
****