test
node1
BFO:0000015
process
node2
GO:0008150
biological_process
node1->node2
node10
GO:0032501
multicellular
organismal process
node2->node10
node3
GO:0006939
smooth muscle
contraction
node4
GO:0014821
phasic smooth muscle
contraction
node3->node4
node5
GO:0003008
system process
node6
GO:0003012
muscle system process
node5->node6
node9
GO:0006936
muscle contraction
node6->node9
node7
BFO:0000001
entity
node8
BFO:0000003
occurrent
node7->node8
node8->node1
node8->node8
node9->node3
node10->node5