( ( and ( simple ( compound ( and ( complex sentences ) ) ) ) ) . )
(ROOT (S (VP (VB and) (NP (JJ simple) (NN compound) (CC and) (NN complex) (NNS sentences))) (. .)))
and simple compound and complex sentences.
(ROOT (S (NP (NNS Scissors)) (VP (VBP are) (NP (JJ compound) (NNS machines))) (. .)))