Based on the following output in a router A running LDP, which statement is true?

show mpls ldp bindings 50.0.0.1 32
tib entry: 50.0.0.1/32, rev 5
local binding: tag: imp-null
remote binding:tsr:50.0.0.4:0, tag:16
–

A.
The IP address 50.0.0.1/32 is assigned to one of its own interfaces.

B.
The IP address 50.0.0.1/32 is assigned to its directly connected LDP neighbor, 50.0..0.4.

C.
The IP address 50.0.0.1/32 is assigned to the non-directly connected LDP neighbor, 50.0..0.4.

D.
None of the above.