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 two.)

Inform the Product Owner’s functional manager. 

Stop the Sprint, send the Product Owner to a course and restart. 

Bring up the problem in the Sprint Retrospective. 

Coach the Product Owner in the values of Scrum and incremental delivery. 

Nominate a proxy Product Owner.