( ( For example ) ( , ( ( the ( element carbon ) ) ( ( is ( ( ( in ( ( ( diamonds , ) ( used ( for jewelry ) ) ) , ) ) and ) ( in ( ( graphite , ) ( used ( in ( pencil lead ) ) ) ) ) ) ) . ) ) ) )
(ROOT (S (PP (IN For) (NP (NN example))) (, ,) (NP (DT the) (NN element) (NN carbon)) (VP (VBZ is) (PP (PP (IN in) (NP (NP (NNS diamonds)) (, ,) (VP (VBN used) (PP (IN for) (NP (NN jewelry)))) (, ,))) (CC and) (PP (IN in) (NP (NP (NN graphite)) (, ,) (VP (VBN used) (PP (IN in) (NP (NN pencil) (NN lead)))))))) (. .)))
For example, the element carbon is in diamonds, used for jewelry, and in graphite, used in pencil lead.
(ROOT (S (SBAR (IN Although) (S (NP (PRP they)) (VP (VBP differ) (ADVP (RB vastly)) (PP (IN in) (NP (NNS hardness)))))) (, ,) (NP (NP (NN pencil) (NN lead)) (CC and) (NP (NNS diamonds))) (DT both) (VP (VBP contain) (NP (NN carbon))) (. .)))