( ( ( The ( vertical structure ) ) ( of ( many ( vegetation types ) ) ) ) ( ( is ( ( clear and ) simple ) ) . ) )
(ROOT (S (NP (NP (DT The) (JJ vertical) (NN structure)) (PP (IN of) (NP (JJ many) (JJ vegetation) (NNS types)))) (VP (VBZ is) (ADJP (JJ clear) (CC and) (JJ simple))) (. .)))
The vertical structure of many vegetation types is clear and simple.
(ROOT (S (NP (EX There)) (VP (VBP are) (NP (NP (CD six) (NNS types) (NNS types)) (PP (IN of) (NP (JJ simple) (NNS machines))))) (. .)))