# x + y ^ 2, but with some (meaningless) alternate
# node and edge labels (for node4, edge (node1,node2))

N,node1, x, 1.0
N, node2, +, 1.0
N, node3, y, 1.0
N, node4, 2, 1.0
N, node4, 3, 0.5
N,node4, 4, 0.25
E, node1, node2, HOR, 1.0
E, node1, node2, SUP, 0.5
E, node1, node3, HOR, 1.0
E, node1, node4, HOR, 1.0
E, node2, node3, HOR, 1.0
E, node2, node4, HOR, 1.0
E, node3, node4, SUP, 1.0



