( ( ( Lubos 's ) answer ) ( ( ( ( covers ( ( ( very well ) and ) ( in ( a ( general way ) ) ) ) ) ( ( the ( different possibilities ) ) ( for ( ( reactants and ) products ) ) ) ) ( in ( ( the reactions ) ( of ( subatomic ( ( particles and ) nucleons ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (NNP Lubos) (POS 's)) (NN answer)) (VP (VBZ covers) (ADVP (ADVP (RB very) (RB well)) (CC and) (PP (IN in) (NP (DT a) (JJ general) (NN way)))) (NP (NP (DT the) (JJ different) (NNS possibilities)) (PP (IN for) (NP (NNS reactants) (CC and) (NNS products)))) (PP (IN in) (NP (NP (DT the) (NNS reactions)) (PP (IN of) (NP (JJ subatomic) (NNS particles) (CC and) (NNS nucleons)))))) (. .)))
Lubos's answer covers very well and in a general way the different possibilities for reactants and products in the reactions of subatomic particles and nucleons.
(ROOT (S (NP (NP (DT The) (JJ subatomic) (NNS particles)) (PP (IN of) (NP (DT the) (NN nucleus)))) (VP (VBP are) (VP (VBN called) (NP (NNS nucleons)))) (. .)))