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.

[EX Q]: One international flight a day in a wide-bodied jet ... one flight daily generates $150 million a year and approximately 2,300 jobs.
[EX A]: economy

[EX Q]: Keystone means unlocking the Canadian tar sands.
[EX A]: energy

[EX Q]: Studies have shown that voter fraud is non-existent in Texas.
[EX A]:
crime