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]: Keystone means unlocking the Canadian tar sands.
[A]: energy


[Q]: Mitt Romney says class sizes dont matter.
[A]: education


[Q]: In three days last week, (Gov. Rick) Perry flew to five cities at taxpayers expense, holding press conferences, delivering $2,325,000 in checks.
[A]:
elections