( ( Metered fare ) ( ( is ( based ( on ( ( the distance ) traveled ) ) ) ) . ) )
(ROOT (S (NP (JJ Metered) (NN fare)) (VP (VBZ is) (VP (VBN based) (PP (IN on) (NP (NP (DT the) (NN distance)) (VP (VBN traveled)))))) (. .)))
Metered fare is based on the distance traveled.
(ROOT (S (NP (JJ Meter) (JJ much) (NN distance)) (VP (MD can) (VP (VB beta) (NP (JJ particles) (NN travel)) (PP (IN through) (NP (NN air))))) (. .)))