( ( ( Protein : ) ( Any ( of ( ( numerous ( ( naturally occurring ) ( complex combinations ) ) ) ( of ( ( ( ( ( amino acids ) ( containing ( the ( elements ( carbon ( , ( hydrogen ( , ( nitrogen ( , ( oxygen ( , ( usually sulfur ) ) ) ) ) ) ) ) ) ) ) ) ) , ) and ) ( ( occasionally other ) elements ) ) ) ) ) ) ) . )
(ROOT (NP (NP (NNP Protein)) (: :) (NP (NP (NNP Any)) (PP (IN of) (NP (NP (JJ numerous) (ADJP (RB naturally) (VBG occurring)) (JJ complex) (NNS combinations)) (PP (IN of) (NP (NP (NP (JJ amino) (NNS acids)) (VP (VBG containing) (NP (DT the) (JJ elements) (NN carbon) (, ,) (NN hydrogen) (, ,) (NN nitrogen) (, ,) (NN oxygen) (, ,) (RB usually) (NN sulfur)))) (, ,) (CC and) (NP (ADJP (RB occasionally) (JJ other)) (NNS elements))))))) (. .)))
Protein: Any of numerous naturally occurring complex combinations of amino acids containing the elements carbon, hydrogen, nitrogen, oxygen, usually sulfur, and occasionally other elements.
(ROOT (S (NP (NNP Rna) (CC and) (NNP dna)) (VP (VBP are) (NP (NP (NNS types)) (PP (IN of) (NP (NP (JJ nucleic) (NNS acids)) (VP (VBG containing) (NP (NP (DT the) (NNS elements)) (NP (NN carbon) (, ,) (NN hydrogen) (, ,) (NN oxygen) (, ,) (NN nitrogen) (, ,) (CC and) (NN phosphorus)))))))) (. .)))