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: U.S. Sen. Kay Bailey Hutchison has voted nine separate times to raise the national debt ceiling.

SOLUTION: economy

PROBLEM: Says Barack Obama began his presidency going on a worldwide apology tour.

SOLUTION:
foreign-policy