( ( ( A ( -RRB- ( ( ( gas ( to ( ( liquid B ) -RRB- ) ) ) solid ) ( to ( ( ( liquid C ) -RRB- ) solid ) ) ) ) ) ( to ( gas ( ( ( D -RRB- ) ( liquid ( to ( gas ( The temperature ) ) ) ) ) ( of ( a sample ) ) ) ) ) ) ( ( changes ( from ( ( 10C to ) 20C ) ) ) . ) )
(ROOT (S (NP (SBAR (SBAR (S (NP (NNP A)) (-RRB- -RRB-) (VP (ADVP (NP (NP (NN gas)) (PP (PP (TO to)) (PRN (NP (NP (NN liquid)) (NP (NNP B))) (-RRB- -RRB-)))) (RB solid)) (TO to) (VP (VB liquid) (NP (NNP C)) (-RRB- -RRB-) (ADVP (RB solid)))))) (SBAR (X (TO to)) (S (NP (NN gas)) (VP (VBD D) (-RRB- -RRB-) (NP (NP (NN liquid)) (PP (TO to) (NP (NP (NN gas)) (NP (DT The) (NN temperature))))) (PP (IN of) (NP (DT a) (NN sample)))))))) (VP (VBZ changes) (PP (IN from) (NP (QP (CD 10C) (TO to) (CD 20C))))) (. .)))
A) gas to liquid B) solid to liquid C) solid to gas D) liquid to gas The temperature of a sample changes from 10C to 20C.
(ROOT (S (NP (NNS Gases) (CC and) (NNS liquids)) (VP (VBP become) (NP (NNS solids)) (PP (IN at) (NP (JJ low) (NNS temperatures)))) (. .)))
Gases and liquids become solids at low temperatures.