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.
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Question: [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!

Answer: criminal-justice


Question: Every piece of legislation, just about, that I ever introduced (in the U.S. Senate) had a Republican co-sponsor.

Answer: bipartisanship


Question: Says gas costs $4.50 a gallon.

Answer:
energy