I don't know what, he sells like cars or something.
( I ( ( ( do n't ) ( know ( ( what , ) ( he ( sells ( like ( ( cars or ) something ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (PRP I)) (VP (VBP do) (RB n't) (VP (VB know) (SBAR (WHNP (WP what)) (, ,) (S (NP (PRP he)) (VP (VBZ sells) (PP (IN like) (NP (NNS cars) (CC or) (NN something)))))))) (. .)))
He sells cars.
( He ( ( sells cars ) . ) )
(ROOT (S (NP (PRP He)) (VP (VBZ sells) (NP (NNS cars))) (. .)))