But I have a hard time believing that we're talking about a real sophisticated group of criminals here.

Select is a sophisticated group of investors, but nobody has any real experience in running these type of facilities.

The Coven might be the most sophisticated group of users on this plane, but they were far from being alone.

"People who work in advertising are likely to be a pretty savvy, sophisticated group," she continued.

"You're talking about a sophisticated group of people."

This refined and sophisticated group embraces the ways of light, nature, heart, and mind.

They're a sophisticated group of Brooklyn kids who've seen more than kids who live elsewhere might have.

A sophisticated group of collectors went to Christie's sale of 20th-century art last night prepared to buy, but only if the price was right.

"This is a highly internationalized and sophisticated group of people running the Games."

This may produce valuable tax savings for sophisticated groups.