( ( With ( ( ( a pencil ) ( with ( a ( hard lead ) ) ) ) ( ( trace around ) design ) ) ) ( , ( ( the ( soft lead ) ) ( ( will ( ( ( act ( as ( carbon paper ) ) ) and ) ( transfer ( the design ) ) ) ) . ) ) ) )
(ROOT (S (SBAR (IN With) (S (NP (NP (DT a) (NN pencil)) (PP (IN with) (NP (DT a) (JJ hard) (NN lead)))) (VP (VB trace) (PRT (RP around)) (NP (NN design))))) (, ,) (NP (DT the) (JJ soft) (NN lead)) (VP (MD will) (VP (VP (VB act) (PP (IN as) (NP (NN carbon) (NN paper)))) (CC and) (VP (VB transfer) (NP (DT the) (NN design))))) (. .)))
With a pencil with a hard lead trace around design, the soft lead will act as carbon paper and transfer the design.
(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))) (. .)))