What will occur to the message?

You have a Microsoft Exchange Online tenant that contains a retention policy named Policy1 and a user named User1.

Policy1 is assigned to all users and contains the retention tags shown in the following table.

Tag3 is applied to an email message in the inbox of User1.

You remove Tag3 from Policy1.

What will occur to the message?
A . The existing retention tag will be retained.
B . The existing retention tag will be removed.
C . The default mailbox retention tag will apply.
D . The default folder retention tag will apply.

Answer: A

Explanation:

Reference: https://docs.microsoft.com/en-us/exchange/security-and-compliance/messaging-records-management/retention-tags-and-policies