( Photosynthesis ( ( ( takes place ) ( in ( ( the chloroplast ) ( of ( ( the cells ) ( of ( green ( plant tissue ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNS Photosynthesis)) (VP (VBZ takes) (NP (NN place)) (PP (IN in) (NP (NP (DT the) (NN chloroplast)) (PP (IN of) (NP (NP (DT the) (NNS cells)) (PP (IN of) (NP (JJ green) (NN plant) (NN tissue)))))))) (. .)))
Photosynthesis takes place in the chloroplast of the cells of green plant tissue.
(ROOT (S (NP (NNS Photosynthesis)) (VP (VBZ occurs) (PP (IN in) (NP (DT the) (NN chloroplast)))) (. .)))
Photosynthesis occurs in the chloroplast.