Which two actions must you perform?

You are reviewing the communication around event registrations.

You need to resolve the issue at the event in Amsterdam where registered contacts received two different confirmation emails

Which two actions must you perform? Each correct answer presents part of the solution. NOTE: Each correct selection is worth one point.
A . Add FESTIVAL as Boolean on the event registration entity.
B . Set the appropriate journey conditions on the journey’s using the MARKETING EVENT REGISTRATION CREATED trigger.
C . Add FESTIVAL as Event Type on the event entity.
D . Set the appropriate attribute branch conditions in the journey using the MARKETING EVENT REGISTRATION CREATED trigger

Answer: C, D