Which two entity fields should you modify?

A sales manager asks you to add a reason named DealLost to mark opportunities closed as lost.

You need to modify entity fields.

Which two entity fields should you modify? Each correct answer presents part of the solution. NOTE: Each correct selection is worth one point.
A . Opportunity Line
B . Opportunity Sales Process
C . Opportunity
D . Opportunity Relationship
E . Opportunity Close

Answer: C,E

Explanation:

Reference:

https://community.dynamics.com/365/sales/f/dynamics-365-for-sales-forum/377163/customize-opportunity-close

https://docs.microsoft.com/en-us/dynamics365/sales-enterprise/customize-opportunity-close-experience