Which of the Following Events Could Trigger a PIM Router

Which of the following events could trigger a PIM router sending an (S,G) Join message? (Choose three)

A) Receiver performing IGMP version 3 (S, G) report
B) Receiver performing enhanced IGMP version 2 signaling
C) Router performing PIM Source Path Tree signaling
D) Router performing translation to convert a standard IGMP (*, G) Join into a PIM (S, G) Join
E) RP performing translation to convert a PIM (*, G) Join into a PIM (S, G) Join