test
node1
BFO:0000001
entity
node2
BFO:0000002
continuant
node1->node2
node2->node2
node6
BFO:0000004
independent
continuant
node2->node6
node3
PO:0025606
native plant cell
node4
PO:0030065
archegonium neck
canal cell
node3->node4
node5
PO:0009002
plant cell
node5->node3
node6->node6
node12
BFO:0000040
material entity
node6->node12
node7
PO:0009011
plant structure
node7->node5
node8
PO:0025496
multi-tissue plant
structure
node7->node8
node9
PO:0025498
cardinal part of
multi-tissue plant
structure
node7->node9
node15
PO:0009008
plant organ
node8->node15
node8->node9
node14
PO:0025001
cardinal organ part
node9->node14
node10
PO:0025126
archegonium
node11
PO:0030039
archegonium neck
node10->node11
node11->node4
node13
PO:0025131
plant anatomical
entity
node12->node13
node13->node7
node14->node11
node15->node14
node16
PO:0025124
multicellular plant
gametangium
node15->node16
node16->node10