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: "We have solved the problem. ... Scientists are now saying leave the nuclear waste where it is."

A: energy
****
Q: [W]e see Americas prison population exploding, with America having a greater percentage of its people behind bars than any other nation in the world!

A: criminal-justice
****
Q: Republican House candidateMarilinda Garcia even opposes closing the loophole that allows dangerous criminals to get a gun without a background check.

A:
guns
****