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.

[EX Q]: Oregons Umpqua Community College where the shooting occurred was a gun-free zone.
[EX A]: guns

[EX Q]: Social Security is a Ponzi scheme.
[EX A]: social-security

[EX Q]: We now do have evidence that Donald Trump is being used as a recruiting tool for terrorists.
[EX A]:
history