The Product Owner is not collaborating with the Development Team during the Sprint. What are two valuable actions for a Scrum Master to take?
(choose the best two answers)
Inform the Product Owner's functional manager.
Nominate a proxy Product Owner.
Bring up the problem in the Sprint Retrospective.
Stop the Sprint, send the Product Owner to a course and restart.
Coach the Product Owner in the values of Scrum and incremental delivery.