Trees also purify the air we breathe by absorbing carbon dioxide and releasing oxygen.
(the air; breathe; we) (Trees; purify; the air we breathe) Context(Trees purify,List([0, 17))):(Trees; purify the air we breathe by absorbing; carbon dioxide)
Trees purify,List([0, 17))
the air Trees Trees
breathe purify purify the air we breathe by absorbing
we
the air we breathe
carbon dioxide