test
node1
BFO:0000002
continuant
node1->node1
node2
BFO:0000020
specifically
dependent continuant
node1->node2
node8
BFO:0000019
quality
node2->node8
node2->node2
node6
PATO:0000001
quality
node2->node6
node3
PATO:0000051
morphology
node4
PATO:0000060
spatial pattern
node3->node4
node5
BFO:0000001
entity
node5->node1
node7
PATO:0001241
physical object
quality
node6->node7
node7->node3
node8->node8
node8->node3
node8->node7