Which feature is supported in the Cisco ASA 5580 Adaptive Security Appliance but not in the Cisco Catalyst 6500 Series FWSM?

Which feature is supported in the Cisco ASA 5580 Adaptive Security Appliance but not in the Cisco Catalyst 6500 Series FWSM?

A.
VPNs

B.
VLANs

C.
DS/1PS

D.
stateful inspection