instruction:
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.
question:
Proposed federal regulations would affect every streetsign in the country
answer:
transportation

question:
Instead of fighting ISIS, (the Saudis) have focused more on a campaign to oust Iran-backed Houthi rebels in Yemen.
answer:
foreign-policy

question:
We have no idea what is contained in [electronic cigarette] vapor.
answer:
children