Which two statements about MPLS point-to-multipoint traffic engineering (P2MP TE) are true?
(Choose two)

A.
P2MP TE uses an OSPF extension that is different from the OSPF extension that is used in
P2P TE.

B.
Loose path is not supported in P2MP TE.

C.
Multiple IP multicast groups can map to one P2MP tunnel.

D.
Affinity is not supported in P2MP TE.

E.
P2MP TE uses Constrained Shortest Path First (CSPF) to calculate paths.