As the Developers start work during the Sprint, they realize they have selected two much work to finish in the Sprint. What should they do?
Reduce the Definition of Done and get all of the Product Backlog items done by the new definition.
Find another Scrum Team to give the excess work to.
Inform the Product Owner at the Sprint Review, but prior to the demonstration.
As soon as possible in the Sprint, work with the Product Owner to remove some work or Product Backlog items.