The American alligator (Alligator mississipriensis) serves a very important role in that they provide water to the ecosystem by digging small holes when there is a drought.
(The American alligator; serves; a very important role in that they provide water to the ecosystem by digging small holes) (they; provide; water; to the ecosystem) Context(they provide,List([89, 101))):(they; provide water by digging; small holes; T:when there is a drought)
they provide,List([89, 101))
The American alligator they they
serves provide provide water by digging
a very important role in that they provide water to the ecosystem by digging small holes
water to the ecosystem
small holes T:when there is a drought