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.

Last year, 244 suspected terrorists walked into gun shops and attempted to purchase a firearm; 223 were able to get the firearm.
congress

The Obama administration willfully leaked the existence of STUXNET (a computer worm used against Iran), allowing our enemies to learn more of our secrets and of our operations.
foreign-policy

It takes as much energy to make a solar panel as it likely generates in its entire life.

energy