Refer to the exhibit.
#PE-A
vrf definition Customer-A
rd 65000:1111
route-target export 65000:1111
route-target import 65000:1111
!
address-family ipv4
mdt default 233.0.0.1
mdt data 233.0.0.2 0.0.0.0 threshold 100
exit-address-family
#PE-B
vrf definition Customer-A
rd 65000:1111
route-target export 65000:1111
route-target import 65000:1111
!
address-family ipv4
mdt default 233.0.0.1
mdt data 233.0.0.3 0.0.0.0 threshold 100
exit-address-family
Which tree does multicast traffic follow?