A simple inquiry concerning items that Treblaw may have left with his old friend?

Just making a simple inquiry about the bonds caused the Salomon empire to leap into action.

But a simple inquiry whose correct answer seems to take us beyond the imaginable limits of human understanding is a question worth asking.

In addition to simple inquiries about, say, account balances, customers can now make transfers between accounts.

The simple inquiry, "How confident are you in filling out medical forms by yourself?"

Sylvia in particular was disgusted by a simple inquiry into the general concept of liability.

A simple inquiry at the torture chamber would reveal her escape and his part in it.

The question was more than a simple inquiry.

"I'd have thought it was a simple enough inquiry," Susan said.

A simple inquiry like "Who are your favorite writers?"