When a lookup relationship is created between two objects, which three options can the administrator select to help manage situations when a lookup record is deleted? (Choose three.)

When a lookup relationship is created between two objects, which three options can the administrator select to help manage situations when a lookup record is deleted? (Choose three.)
A . Delete the related record also.
B . Prompt the user to enter another record to resolve the lookup relationship.
C . Clear the value of the lookup field.
D . Do NOT allow deletion of a lookup record that is part of a lookup relationship.
E . Notify the record owner.

Answer: ACD