# Two isolated symbols (of *different* classes), 
# no edges.

N,node1,x,1.0
N,node2,x,1.0

N,node3,t,1.0
N,node4,t,1.0

E,node1,node2,*,1.0
E,node2,node1,*,1.0

E,node3,node4,*,1.0
E,node4,node3,*,1.0
