( ( The chloroplast ) ( ( is ( ( the site ) ( of ( ( photosynthesis ( or ( food production ) ) ) ( in ( the ( plant cell ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT The) (NN chloroplast)) (VP (VBZ is) (NP (NP (DT the) (NN site)) (PP (IN of) (NP (NP (NN photosynthesis) (CC or) (NN food) (NN production)) (PP (IN in) (NP (DT the) (NN plant) (NN cell))))))) (. .)))
The chloroplast is the site of photosynthesis or food production in the plant cell.
(ROOT (S (NP (NNS Photosynthesis)) (VP (VBZ occurs) (PP (IN in) (NP (DT the) (NN chloroplast)))) (. .)))
Photosynthesis occurs in the chloroplast.