( ( The Volume ) ( ( will increase ) . ) )
(ROOT (S (NP (DT The) (NN Volume)) (VP (MD will) (VP (VB increase))) (. .)))
The Volume will increase.
(ROOT (S (PP (IN As) (NP (NN temperature) (NNS increases))) (, ,) (NP (NN volume)) (VP (VBZ increases)) (. .)))