There's a dramatic difference between someone like Michael Dell and someone like Al Dunlap.
( There ( ( 's ( ( a ( dramatic difference ) ) ( between ( ( ( someone ( like ( Michael Dell ) ) ) and ) ( someone ( like ( Al Dunlap ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (EX There)) (VP (VBZ 's) (NP (NP (DT a) (JJ dramatic) (NN difference)) (PP (IN between) (NP (NP (NP (NN someone)) (PP (IN like) (NP (NNP Michael) (NNP Dell)))) (CC and) (NP (NP (NN someone)) (PP (IN like) (NP (NNP Al) (NNP Dunlap)))))))) (. .)))
They are actually twins separated from birth. 
( They ( ( ( are actually ) ( twins ( separated ( from birth ) ) ) ) . ) )
(ROOT (S (NP (PRP They)) (VP (VBP are) (ADVP (RB actually)) (NP (NP (NNS twins)) (VP (VBN separated) (PP (IN from) (NP (NN birth)))))) (. .)))