What are the responsibilities of the Product Owner in release and sprint planning? There are 2 correct answers to this question.

What are the responsibilities of the Product Owner in release and sprint planning? There are 2 correct answers to this question.
A . Analyze the functional and technical dependencies between the user stories
B . Define objectives for each release
C . Prioritize backlog user stories by business priority
D . Estimate the backlog user stories

Answer: B,C