`d`
some constant
`d`
some constant
`d`
some constant
`e`
friend
t`b`
`x`
`y`
Steph
friend
Jane
Joan
Jack
`y`
Frank
yar
constructor
`z`
yar2`c`
some relation
role_name1role 1
constant a
constant b
role_name2role 2
another relation
constant c
constant d
yac
constant g
constant h
empty
constant h
some function
arg1
arg2
arg3
some other function
arg4
arg5
arg6
yet another relation
constant e
constant b
role_name3role 3
some constant
`d`