yeah i know the motor oil
( yeah ( i ( know ( the ( motor oil ) ) ) ) )
(ROOT (S (VP (VB yeah) (S (NP (FW i)) (VP (VB know) (NP (DT the) (NN motor) (NN oil)))))))
I know what they do with motor oil.
( I ( ( know ( what ( they ( do ( with ( motor oil ) ) ) ) ) ) . ) )
(ROOT (S (NP (PRP I)) (VP (VBP know) (SBAR (WHNP (WP what)) (S (NP (PRP they)) (VP (VBP do) (PP (IN with) (NP (NN motor) (NN oil))))))) (. .)))