TASK DEFINITION: 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.
PROBLEM: Wisconsin state and local government workers pay $500, $600 or in some cases, $1,000 per year in union dues.

SOLUTION: labor

PROBLEM: The 2000 Census cost $4.5 billion. The 2010 Census is set to cost up to $14.5 billion.

SOLUTION: census

PROBLEM: Keystone means unlocking the Canadian tar sands.

SOLUTION:
energy