Have students choose one of the two exemplar comics. Create one of yourself being the customer, and one being the waiter.
Class instructions: Choose one of the two exemplar comics. You are either going to put yourself in the role of customer or waiter. Answer my questions. You are the waiter, or you are the customer.
Teacher instructions: Create two comics, one with yourself as the waiter and one as the customer. See these two comics as examples: Student is the waiter or the customer.