test
node1
BFO:0000001
entity
node2
BFO:0000003
occurrent
node1->node2
node2->node2
node9
BFO:0000015
process
node2->node9
node3
GO:0048731
system development
node4
GO:0072359
circulatory system
development
node3->node4
node12
GO:0007507
heart development
node4->node12
node5
GO:0008150
biological_process
node6
GO:0032501
multicellular
organismal process
node5->node6
node10
GO:0032502
developmental process
node5->node10
node7
GO:0007275
multicellular
organism development
node6->node7
node7->node3
node8
GO:0048856
anatomical structure
development
node8->node3
node8->node7
node11
GO:0048513
animal organ
development
node8->node11
node9->node5
node10->node8
node11->node12