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