Speed of delivery has increasingly become part of the competitive equation.
( ( Speed ( of delivery ) ) ( ( ( has increasingly ) ( become ( part ( of ( the ( competitive equation ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (NN Speed)) (PP (IN of) (NP (NN delivery)))) (VP (VBZ has) (ADVP (RB increasingly)) (VP (VBN become) (NP (NP (NN part)) (PP (IN of) (NP (DT the) (JJ competitive) (NN equation)))))) (. .)))
Speed of delivery isn't being used to calculate competitiveness.
( ( Speed ( of delivery ) ) ( ( ( is n't ) ( being ( used ( to ( calculate competitiveness ) ) ) ) ) . ) )
(ROOT (S (NP (NP (NN Speed)) (PP (IN of) (NP (NN delivery)))) (VP (VBZ is) (RB n't) (VP (VBG being) (VP (VBN used) (S (VP (TO to) (VP (VB calculate) (NP (NN competitiveness)))))))) (. .)))