Here is my 60 second explanation of how to identify the dominant strategy with game theory payoff matrix. The numbers in the left of each square are for the firm on the left. The numbers on the right are for the firm on the top.

A John Dillinger wanted poster advertises rewards for his capture.

A sign advertises the Dionne Quintuplets

Cartoon postal worker Mr. Zip advertises zip codes.

Traffic passes a theater marquee that advertises Gigi.