( Electrons ( ( are ( the ( last ( type ( subatomic particle ) ) ) ) ) . ) )
(ROOT (S (NP (NNS Electrons)) (VP (VBP are) (NP (DT the) (JJ last) (NN type) (JJ subatomic) (NN particle))) (. .)))
Electrons are the last type subatomic particle.
(ROOT (S (NP (DT A) (NN redox) (NN reaction)) (VP (VBZ rearranges) (NP (NP (DT the) (JJ subatomic) (NNS particles)) (VP (VBN known) (PP (IN as) (NP (NNS electrons)))))) (. .)))