Which two command sets, if issued, resolve this failure and allow VTP to operate as expected?

The VLAN configuration of S1 is not being updated in this VTP-enabled environment. The VTP and uplink port configuration for each switch are displayed. Which two command sets, if issued, resolve this failure and allow VTP to operate as expected?

A.
S1 (config)#vtp mode client

B.
S2(config)#vtp mode client

C.
S2(config)#interface FastEthernet 0/24
S2(config-if)#switchport mode access
S2(config-if)end

D.
S1 (config)#interface FastEthernet 0/24
S1(config-if)#switchport mode trunk
S2(config-if)#end

E.
S2(config)#vtp mode transparent