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: "We have solved the problem. ... Scientists are now saying leave the nuclear waste where it is."

SOLUTION: energy

PROBLEM: Because of the 2011 debt ceiling fight, the stock market lost 2,000 points.

SOLUTION: economy

PROBLEM: The DNC says McCain flip-flopped on whether the Iraq War would be easy.

SOLUTION:
iraq