test
node1
GO:0008150
biological_process
node2
GO:0032501
multicellular
organismal process
node1->node2
node7
GO:0032502
developmental process
node1->node7
node3
GO:0007275
multicellular
organism development
node2->node3
node4
GO:0048229
gametophyte
development
node3->node4
node11
GO:0009555
pollen development
node4->node11
node5
GO:0021700
developmental
maturation
node6
GO:0010152
pollen maturation
node5->node6
node7->node5
node8
GO:0048856
anatomical structure
development
node7->node8
node8->node3
node9
BFO:0000003
occurrent
node9->node9
node12
BFO:0000015
process
node9->node12
node10
BFO:0000001
entity
node10->node9
node11->node6
node12->node1