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.

Input: Consider Input: Last year, American oil production reached its highest level since 2003.

Output: economy


Input: Consider Input: Mitchell International Airport is the the third busiest airport in the world and the number one busiest in the country.

Output: transportation


Input: Consider Input: Spending increases, not tax cuts, are the major cause of the federal budget deficit.

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
Output: federal-budget


