Examples:

• Which one of your sisters told you to say that?
• Which one of us had an affair with a married woman?
• Which one of these designers crochet bags is your favorite?
• Which one had the greatest impact on you and the program?
• Which one of your sisters told you to say that?
• Which one of you can cast the first stone, huh?
• Which one of these detectives is your number two?
• Which one of you is responsible for giving away our position?
• Which one of us do you think is the cutest?
• Which one of us is writing this book, you, or me?