Which two tag formats can be defined at the blueprint level in order to ensure that blueprints are deployed on this particular storage, whenever possible, and fail if not available?

An administrator wants to use constraint tags to deploy blueprints to a particular storage with a capability tag assigned; however, not all projects have access to this storage.

Which two tag formats can be defined at the blueprint level in order to ensure that blueprints are deployed on this particular storage, whenever possible, and fail if not available? (Choose two.)
A . key:value:soft
B . key:value
C . value:key
D . key:value:hard
E . !key:value

Answer: B,D

Explanation:

https://docs.vmware.com/en/vRealize-Automation/8.1/Using-and-Managing-Cloud-Assembly/GUID-357D436F-C8A3-4FC7-88C3-7252F1E8DB54.html