Which three commands are used to troubleshoot why IP packets are not forwarded on the LSP?

Which three commands are used to troubleshoot why IP packets are not forwarded on the LSP? (Choose three.)
A. show cef prefix/length to check the prefix information
B. debug mpls ldp transport events to display events related to the LDP peer discovery mechanism
C. show mpls forwarding labels hardware egress location to check the hardware label FIB
D. show arp location for the next hop prefix
E. show mpls ldp discovery for the corresponding label information
F. debug mpls ea platform all to display MPLS setup events and errors