( ( Parametric objects ) ( ( allow ( unlimited ( ( flexibility and ) precision ) ) ) . ) )
(ROOT (S (NP (NNP Parametric) (NNS objects)) (VP (VBP allow) (NP (JJ unlimited) (NN flexibility) (CC and) (NN precision))) (. .)))
Parametric objects allow unlimited flexibility and precision.
(ROOT (S (NP (NP (DT The) (NN flexibility)) (PP (IN of) (NP (DT an) (NN object)))) (VP (VBZ allows) (S (NP (PRP it)) (VP (TO to) (VP (VB bend))))) (. .)))
The flexibility of an object allows it to bend.