Every new play that runs for more than three months is either a commercial or a critical success  Last year, all new plays that were critical successes were also commercial successes
Ttherefore, every new play that ran for more than three months last year was a commercial success
Most new restaurants require either good publicity or a good location in order to succeed. But most restaurants with a good location also receive good publicity. Hence, a restaurant that has a good location is guaranteed to succeed.