( ( Sunlight ( falling ( on ( ( the leaves ) ( of Plants ) ) ) ) ) ( ( ( ( causes ( the chloroplasts ) ) ( in them ) ) ( to ( ( make ( ( Food and ) Oxygen ) ) ( through Photosynthesis ) ) ) ) . ) )
(ROOT (S (NP (NP (NNP Sunlight)) (VP (VBG falling) (PP (IN on) (NP (NP (DT the) (NNS leaves)) (PP (IN of) (NP (NNP Plants))))))) (VP (VBZ causes) (NP (DT the) (NNS chloroplasts)) (PP (IN in) (NP (PRP them))) (S (VP (TO to) (VP (VB make) (NP (NNP Food) (CC and) (NNP Oxygen)) (PP (IN through) (NP (NNP Photosynthesis))))))) (. .)))
Sunlight falling on the leaves of Plants causes the chloroplasts in them to make Food and Oxygen through Photosynthesis.
(ROOT (S (NP (NNP Oxygen)) (VP (VBZ is) (VP (VBN made) (PP (IN by) (NP (NP (NNS trees)) (CC and) (NP (JJ other) (NNS plants)))) (PP (IN during) (NP (NN photosynthesis))))) (. .)))