What Do You Do At A Green Light? Priming Trick

You say: “Spell MOP.”
Person: “M-O-P”
You: “Spell HOP.”
Person: “H-O-P”
You: “Spell TOP.”
Person: “T-O-P!”
You: “What do you do at a green light?”
Person: “Stop!”
You: Smile and wait for the facepalm.

Ask the class to spell the word “POTS” along with you. This works best as a call and response:Instructor: P-O-T-S Class: P-O-T-S
Instructor: P-O-T-S Class: P-O-T-S
(repeat 5/6 times)
Immediately ask the class: “What do you do at a green light?”