( photosynthesis ( ( is ( ( the reaction ) ( ( utilizing ( ( ( ( ( ( ( ( solar energy ) , ) nutrients ) , ) water ) , ) and ) ( carbon dioxide ) ) ) ( to ( produce ( ( oxygen and ) ( organic tissue ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NN photosynthesis)) (VP (VBZ is) (NP (NP (DT the) (NN reaction)) (VP (VBG utilizing) (NP (NP (JJ solar) (NN energy)) (, ,) (NP (NNS nutrients)) (, ,) (NP (NN water)) (, ,) (CC and) (NP (NN carbon) (NN dioxide))) (S (VP (TO to) (VP (VB produce) (NP (NP (NN oxygen)) (CC and) (NP (JJ organic) (NN tissue))))))))) (. .)))
photosynthesis is the reaction utilizing solar energy, nutrients, water, and carbon dioxide to produce oxygen and organic tissue.
(ROOT (S (NP (NNP Combustion) (NNS reactions)) (VP (VBP involve) (S (NP (NP (DT the) (NN reaction)) (PP (IN of) (NP (NP (DT a) (NN hydrocarbon)) (PP (IN with) (NP (NN oxygen) (NN gas)))))) (VP (TO to) (VP (VB produce) (NP (NN water) (CC and) (NN carbon) (NN dioxide)))))) (. .)))