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: Were the only nation in the world that does not use the military to secure our border.

SOLUTION: homeland-security

PROBLEM: In the state of Rhode Island 25 percent of our current physicians are graduates of for-profit medical schools.

SOLUTION: education

PROBLEM: 90 percent of fires in Arizona are human-caused.

SOLUTION:
fires