( ( A ( living cell ) ) ( ( is ( ( a ( complex construction ) ) ( of ( ( proteins , ) ( which ( are ( ( ( highly complex ) ( carbon molecules ) ) ( built ( of ( amino acids ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT A) (VBG living) (NN cell)) (VP (VBZ is) (NP (NP (DT a) (JJ complex) (NN construction)) (PP (IN of) (NP (NP (NNS proteins)) (, ,) (SBAR (WHNP (WDT which)) (S (VP (VBP are) (NP (NP (ADJP (RB highly) (JJ complex)) (NN carbon) (NNS molecules)) (VP (VBN built) (PP (IN of) (NP (JJ amino) (NNS acids)))))))))))) (. .)))
A living cell is a complex construction of proteins, which are highly complex carbon molecules built of amino acids.
(ROOT (S (NP (NNPS Proteins)) (VP (VBP are) (NP (NP (JJ complex) (JJ organic) (NNS molecules)) (SBAR (WHNP (WDT that)) (S (VP (VBP make) (PRT (RP up)) (NP (NNS cells))))))) (. .)))