( ( DEFINITIONS Electricity ) ( ( ( is ( ( the flow ) ( of ( ( an ( atom 's ) ) electrons ) ) ) ) ( through ( a conductor ) ) ) . ) )
(ROOT (S (NP (NNP DEFINITIONS) (NNP Electricity)) (VP (VBZ is) (NP (NP (DT the) (NN flow)) (PP (IN of) (NP (NP (DT an) (NN atom) (POS 's)) (NNS electrons)))) (PP (IN through) (NP (DT a) (NN conductor)))) (. .)))
DEFINITIONS Electricity is the flow of an atom's electrons through a conductor.
(ROOT (S (NP (NP (NNS Atoms)) (PP (IN of) (NP (NNS metals)))) (VP (VBP are) (NP (NP (JJ good) (NNS conductors)) (PP (IN of) (NP (NN electricity)))) (SBAR (IN because) (S (NP (PRP they)) (VP (VB give) (PRT (RP up)) (NP (NNS electrons)))))) (. .)))