( ( Volume ( -LRB- ( ( answer B ) -RRB- ) ) ) ( ( is ( ( ( the amount ) ( of space ) ) ( ( an object ) ( takes up ) ) ) ) . ) )
(ROOT (S (NP (NP (NN Volume)) (PRN (-LRB- -LRB-) (NP (NN answer) (NN B)) (-RRB- -RRB-))) (VP (VBZ is) (NP (NP (DT the) (NN amount)) (PP (IN of) (NP (NN space))) (SBAR (S (NP (DT an) (NN object)) (VP (VBZ takes) (PRT (RP up))))))) (. .)))
Volume (answer B) is the amount of space an object takes up.
(ROOT (S (NP (DT The) (NN term) (NN volume)) (VP (VBZ means) (SBAR (S (NP (NP (DT the) (NN amount)) (PP (IN of) (NP (NN space) (NN matter)))) (VP (VBZ takes) (PRT (RP up)))))) (. .)))