The acorns produced by the oak trees were a dietary staple for the Indians and still provide a major food source for the animal life in the park.
(The acorns; produced; by the oak trees) (The acorns produced by the oak trees; were; a dietary staple for the Indians) (The acorns produced by the oak trees; provide; a major food source for the animal life in the park; T:still)
The acorns The acorns produced by the oak trees The acorns produced by the oak trees
produced were provide
by the oak trees
a dietary staple for the Indians
a major food source for the animal life in the park T:still