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 also have, in a park thats not far from here, an ability to build a reservoir that can hold a 30-day water supply for the city of Atlanta.

SOLUTION: water

PROBLEM: Obama spent $7 billion to bring electricity to Africa, failed miserably.

SOLUTION: energy

PROBLEM: In the 1950s and 1960s, the minimum wage was such that it would lift you out of poverty.

SOLUTION:
economy