test
node1
GO:0016043
cellular component
organization
node2
GO:0006996
organelle
organization
node1->node2
node4
GO:0022607
cellular component
assembly
node1->node4
node5
GO:0006997
nucleus organization
node2->node5
node12
GO:0070925
organelle assembly
node2->node12
node3
GO:0044085
cellular component
biogenesis
node3->node4
node4->node12
node6
GO:0035039
male pronucleus
assembly
node5->node6
node7
BFO:0000003
occurrent
node7->node7
node14
BFO:0000015
process
node7->node14
node8
GO:0071840
cellular component
organization or
biogenesis
node8->node1
node8->node3
node9
GO:0000003
reproduction
node16
GO:0019953
sexual reproduction
node9->node16
node10
GO:0022414
reproductive process
node9->node10
node17
GO:0009566
fertilization
node10->node17
node10->node6
node11
GO:0008150
biological_process
node11->node9
node13
GO:0009987
cellular process
node11->node13
node11->node10
node12->node6
node13->node8
node14->node11
node15
GO:0007338
single fertilization
node15->node6
node16->node17
node17->node15
node18
BFO:0000001
entity
node18->node7