( ( ( The speed ) ( of sound ) ) ( ( is ( dependent ( on ( ( the medium ) ( ( through which ) ( ( ( the waves ) ( of sound ) ) travel ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (DT The) (NN speed)) (PP (IN of) (NP (NN sound)))) (VP (VBZ is) (ADJP (JJ dependent) (PP (IN on) (NP (NP (DT the) (NN medium)) (SBAR (WHPP (IN through) (WHNP (WDT which))) (S (NP (NP (DT the) (NNS waves)) (PP (IN of) (NP (NN sound)))) (VP (VBP travel)))))))) (. .)))
The speed of sound is dependent on the medium through which the waves of sound travel.
(ROOT (S (NP (NP (DT The) (NN speed)) (PP (IN of) (NP (NN sound)))) (VP (VBZ depends) (PP (IN on) (NP (NN medium)))) (. .)))
The speed of sound depends on medium.