What is true about classifications assigned by Fortinet Cloud Sen/ice (FCS)?

What is true about classifications assigned by Fortinet Cloud Sen/ice (FCS)?
A . The core is responsible for all classifications if FCS playbooks are disabled
B. The core only assigns a classification if FCS is not available
C. FCS revises the classification of the core based on its database
D. FCS is responsible for all classifications

Answer: C