( We ( ( have ( ( moved ( from ( the nonmetals ) ) ) ( to ( the metals ) ) ) ) . ) )
(ROOT (S (NP (PRP We)) (VP (VBP have) (VP (VBN moved) (PP (IN from) (NP (DT the) (NNS nonmetals))) (PP (TO to) (NP (DT the) (NNS metals))))) (. .)))
We have moved from the nonmetals to the metals.
(ROOT (S (PP (IN In) (NP (NP (DT a) (NN comparison)) (PP (IN of) (NP (NP (NNS metals)) (PP (TO to) (NP (NNS nonmetals))))))) (, ,) (NP (NNS metals)) (VP (VBP tend) (S (VP (TO to) (VP (VB have) (NP (NP (JJR greater) (NN conductivity)) (CC and) (NP (JJR higher) (NN melting) (NNS points))) (PP (IN than) (NP (NNS nonmetals))))))) (. .)))
In a comparison of metals to nonmetals, metals tend to have greater conductivity and higher melting points than nonmetals.