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: Obamacare is . . . the largest tax increase in the history of the world.

SOLUTION: health-care

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

SOLUTION: homeland-security

PROBLEM: Seniors will have to find $12,500 for health care because Republicans voted to end Medicare.

SOLUTION:
medicare