"I don't. It's—just an opinion."

"Even if you're right, there's still Gladys," I said.

"I'd forgotten her."

"She's a fair mark."

"I suppose so."

"Though not as good as Sylvia."

"I assure you Sylvia's in no danger."

"But how do you know?" I repeated.

"I tell you; it's only an opinion."

"But you don't express any opinion about Gladys."