Symbiosis means co-operation: you scratch my back and I'll scratch yours ... flowers provide nectar while the bees deliver pollen.
(I; 'll scratch; yours) (the bees; deliver; pollen) (flowers; provide; nectar; T:while the bees deliver pollen) Context(flowers provide,List([77, 92))):(you; scratch; my back) Context(you scratch flowers provide,List([30, 92))):(Symbiosis; means; co-operation)
flowers provide,List([77, 92)) you scratch flowers provide,List([30, 92))
I the bees flowers you Symbiosis
'll scratch deliver provide scratch means
yours
pollen
nectar T:while the bees deliver pollen
my back
co-operation