test
node1
GO:0006997
nucleus organization
node2
GO:0035039
male pronucleus
assembly
node1->node2
node15
GO:0035041
sperm DNA
decondensation
node2->node15
node3
BFO:0000003
occurrent
node3->node3
node18
BFO:0000015
process
node3->node18
node4
GO:0009987
cellular process
node5
GO:0071840
cellular component
organization or
biogenesis
node4->node5
node10
GO:0044085
cellular component
biogenesis
node5->node10
node13
GO:0016043
cellular component
organization
node5->node13
node6
GO:0008150
biological_process
node6->node4
node7
GO:0000003
reproduction
node6->node7
node8
GO:0022414
reproductive process
node6->node8
node7->node8
node19
GO:0019953
sexual reproduction
node7->node19
node8->node2
node8->node15
node20
GO:0009566
fertilization
node8->node20
node9
GO:0006996
organelle
organization
node9->node1
node12
GO:0070925
organelle assembly
node9->node12
node11
GO:0022607
cellular component
assembly
node10->node11
node11->node12
node12->node2
node13->node9
node13->node11
node14
GO:0043933
protein-containing
complex organization
node13->node14
node16
GO:0071824
protein-DNA complex
organization
node14->node16
node17
GO:0006325
chromatin
organization
node16->node17
node17->node15
node18->node6
node19->node20
node21
GO:0007338
single fertilization
node20->node21
node21->node2
node22
BFO:0000001
entity
node22->node3