Which of the following statements about Commitment Based Planning are true?

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Only the User Story at the top of the ordered Backlog should be discussed.

The Product Owner decides which Backlog Items can be Done

Question $47$ options:

a$)$

Only $1$ is true

b$)$

Neither $1$ or $2$ is true

c$)$

Only $2$ is true

d$)$

Both $1$ and $2$ are true