( ( Amino acids ) ( ( ( ( link together ) ( in ( long chains ) ) ) ( to ( ( form proteins ) ( in ( the body ) ) ) ) ) . ) )
(ROOT (S (NP (NNP Amino) (NNS acids)) (VP (VBP link) (ADVP (RB together)) (PP (IN in) (NP (JJ long) (NNS chains))) (PP (TO to) (NP (NP (NN form) (NNS proteins)) (PP (IN in) (NP (DT the) (NN body)))))) (. .)))
Amino acids link together in long chains to form proteins in the body.
(ROOT (S (NP (DT A) (PRN (-LRB- -LRB-) (NP (NN n)) (-RRB- -RRB-)) (NN protein)) (VP (VBZ is) (VP (VBN formed) (SBAR (WHADVP (WRB when)) (S (NP (JJ amino) (NNS acids)) (VP (VBP are) (VP (VBN linked) (ADVP (RB together)) (PP (IN in) (NP (DT a) (JJ long) (NN chain))))))))) (. .)))