What are the responsibilities of a Scrum Master on a train that go beyond basic team facilitation? (Choose three.)

What are the responsibilities of a Scrum Master on a train that go beyond basic team facilitation? (Choose three.)
A . Write an estimate features
B. Manage Daily Stand-up meetings
C. Facilitate team preparation for PI Planning
D. Participate in Scrum of Scrums
E. Facilitate preparation for the System Demo
F. Prioritize Program Backlog

Answer: C, D, E

Explanation:

https://www.scaledagileframework.com/scrum-master/