Quick-witted

"Did you notice the speed at which that woman just dashed off the train?"

" I did. It seemed as if she was desperate to escape the clutches of those two men."

"Why should that be? They were very friendly towards her."

"Listen. I've seen those guys on the 5 o'clock quite a few times lately, each time with a different woman, and each time showing the same friendly interest."

"Please excuse me for butting into your into your conversation, ladies. I couldn't help but overhear. Did you see in last night's paper that three young women have disappeared from the 5 o'clock in the last three months? That lady would have been the fourth!"