Read the following passage and answer the question.
'All new employees at the consulting firm Axiom Partners are required to complete a mandatory ethics training program within their first 30 days of employment.
The program is offered in two formats: a self-paced online module or a two-day in-person workshop.
While the in-person workshop is recommended for employees in client-facing roles, it is not compulsory.
Last month, every new hire from the Sales department enrolled in the in-person workshop, though some new hires from the Analytics department chose the online module.'
Based only on the information provided, which of the following statements must be true?
