Mark is a born fitness enthusiast and is currently working with fitness expert Tony Horton and Beachbody showing people how to stay in shape with the "10-Minute Trainer" program.Mark boasts a list of accomplishments in his professional career.
Refer to the input text as context and select the correct relationship between 'Beachbody' and 'fitness' from the available options.
Options: founded by, industry, manufacturer, original broadcaster