What is the purpose of a Program Epic?

What is the purpose of a Program Epic?
A . To align Strategic Themes to portfolio investments
B. To capture Agile Release Train initiatives that cannot be completed in a single Program Increment
C. To aligning multiple Agile Release Trains to a common objective

Answer: B

Explanation:

Read more: https://www.scaledagileframework.com/program-and-solution-kanbans/