test
node1
GO:0006996
organelle
organization
node7
GO:0006997
nucleus organization
node1->node7
node2
GO:0048284
organelle fusion
node1->node2
node12
GO:0000741
karyogamy
node2->node12
node3
GO:0016043
cellular component
organization
node3->node1
node4
GO:0007338
single fertilization
node5
GO:0007344
pronuclear fusion
node4->node5
node6
GO:0071840
cellular component
organization or
biogenesis
node6->node3
node7->node12
node7->node12
node8
GO:0000003
reproduction
node15
GO:0019953
sexual reproduction
node8->node15
node9
GO:0022414
reproductive process
node8->node9
node9->node5
node16
GO:0009566
fertilization
node9->node16
node10
BFO:0000003
occurrent
node10->node10
node13
BFO:0000015
process
node10->node13
node11
GO:0008150
biological_process
node11->node8
node14
GO:0009987
cellular process
node11->node14
node11->node9
node12->node5
node13->node11
node14->node6
node15->node16
node16->node4
node17
BFO:0000001
entity
node17->node10