Carbon dioxide helps plants grow, but it is also one of the so-called greenhouse gasses.
(it; is also; one of the so-called greenhouse gasses) (Carbon dioxide; helps; plants grow) Context(Carbon dioxide helps,List([0, 20))):(plants; grow; )
Carbon dioxide helps,List([0, 20))
it Carbon dioxide plants
is also helps grow
one of the so-called greenhouse gasses
plants grow