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.

It was (Rob Portmans) job to stop Chinas illegal dumping of steel. He failed, looked the other way, did nothing.
china

Today the Walton family of Walmart own more wealth than the bottom 40 percent of America.
economy

"I have disagreed strongly with the Bush administration on this issue" of global warming.

environment