Some of the animals there have helped us to find cures and leads to various diseases.
(Some of the animals there; leads; ) (Some of the animals there; have helped; to find cures) Context(Some of the animals there have helped,List([0, 37))):(Some of the animals there; have helped to find; cures)
Some of the animals there have helped,List([0, 37))
Some of the animals there Some of the animals there Some of the animals there
leads have helped have helped to find
to find cures
cures