Implementing Cisco IP Switched Networks (SWITCH v2-0) (#386)

Which of the following statements best describes the result of issuing the instance 3 vlans 7 command?

VLAN 7 is mapped to MST instance 3.
VLAN 7 is mapped to switchport 3.
VLAN 7 is mapped to three MST instances.
Seven VLANs are mapped to MST instance 3.