( Teeth ( ( can ( be ( added ( with ( ( the use ) ( of ( ( ( ( ( real ones ) ( from ( ( animals or ) humans ) ) ) , ) ( as ( well as ) ) ) ( ( ( ( ( ( metal , ) ( cactus spines ) ) , ) corn ) or ) reeds ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNP Teeth)) (VP (MD can) (VP (VB be) (VP (VBN added) (PP (IN with) (NP (NP (DT the) (NN use)) (PP (IN of) (NP (NP (NP (JJ real) (NNS ones)) (PP (IN from) (NP (NNS animals) (CC or) (NNS humans)))) (, ,) (CONJP (RB as) (RB well) (IN as)) (NP (NP (NN metal)) (, ,) (NP (NN cactus) (NNS spines)) (, ,) (NP (NN corn)) (CC or) (NP (NNS reeds)))))))))) (. .)))
Teeth can be added with the use of real ones from animals or humans, as well as metal, cactus spines, corn or reeds.
(ROOT (S (NP (NP (DT The) (NNS spines)) (PP (IN of) (NP (DT a) (NN cactus)))) (VP (VBP help) (SBAR (S (NP (PRP it)) (VP (VBP survive) (SBAR (IN because) (S (NP (NNS spines)) (VP (VB protect) (NP (DT the) (NN cactus)) (PP (IN from) (NP (NNS animals)))))))))) (. .)))