test
node1
GO:0008150
biological_process
node2
GO:0051179
localization
node1->node2
node5
GO:0051234
establishment of
localization
node2->node5
node3
BFO:0000003
occurrent
node3->node3
node10
BFO:0000015
process
node3->node10
node4
BFO:0000001
entity
node4->node3
node6
GO:0006810
transport
node5->node6
node7
GO:0015669
gas transport
node6->node7
node11
GO:0015671
oxygen transport
node7->node11
node8
GO:0140104
molecular carrier
activity
node9
GO:0005344
oxygen carrier
activity
node8->node9
node10->node1
node12
GO:0003674
molecular_function
node10->node12
node11->node9
node12->node8