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

[EX Q]: We saw the president of the United States engage American troops in a fourth conflict in a foreign land. This is historic.
[EX A]: history

[EX Q]: Mayor Barrett saved Milwaukee $25 million, thanks to Gov. Walkers reforms.
[EX A]:
city-budget