( ( The ( light reactions ) ) ( ( occur ( in ( ( the chloroplast ) ( thylakoids ( ( ( The location ) ( of ( this ( electron ( transfer system ) ) ) ) ) ( is ( ( the ( thylakoid membrane ) ) ( of ( the chloroplast ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT The) (JJ light) (NNS reactions)) (VP (VBP occur) (SBAR (IN in) (S (NP (DT the) (NN chloroplast)) (VP (VBZ thylakoids) (SBAR (S (NP (NP (DT The) (NN location)) (PP (IN of) (NP (DT this) (NN electron) (NN transfer) (NN system)))) (VP (VBZ is) (NP (NP (DT the) (JJ thylakoid) (NN membrane)) (PP (IN of) (NP (DT the) (NN chloroplast))))))))))) (. .)))
The light reactions occur in the chloroplast thylakoids The location of this electron transfer system is the thylakoid membrane of the chloroplast.
(ROOT (S (NP (DT The) (JJ light) (NNS reactions)) (VP (VBP take) (NP (NP (NN place)) (PP (IN in) (NP (DT the) (NN thylakoid))))) (. .)))