( ( protein ( Organic compound ) ) ( ( ( made up ) ( of ( amino ( acid molecules ) ) ) ) . ) )
(ROOT (S (NP (NN protein) (NNP Organic) (NNP compound)) (VP (VBD made) (PRT (RP up)) (PP (IN of) (NP (JJ amino) (NN acid) (NNS molecules)))) (. .)))
protein Organic compound made up of amino acid molecules.
(ROOT (S (NP (DT A) (NN protein)) (VP (VBZ is) (NP (NP (DT an) (JJ organic) (NN compound)) (VP (VBN made) (PRT (RP up)) (PP (IN of) (NP (NP (JJ small) (NNS molecules)) (VP (VBN called) (NP (JJ amino) (NNS acids)))))))) (. .)))