Which two statements are true when creating navigation paths?

Which two statements are true when creating navigation paths?
A . A data module can have multiple navigation paths.
B . A modeler must delete the navigation path and re-create it to change the path.
C . Columns from different tables cannot be added to a navigation path.
D . A navigation path is a collection of Group Data columns.
E . A navigation path is a collection of non-measure columns.

Answer: B,E