sentence1_binary_parse: ( The ( ( temperature ( ( at which ) ( ( a liquid ) ( becomes solid ) ) ) ) . ) )
sentence1_parse: (ROOT (NP (DT The) (NN temperature) (SBAR (WHPP (IN at) (WHNP (WDT which))) (S (NP (DT a) (NN liquid)) (VP (VBZ becomes) (ADJP (JJ solid))))) (. .)))
sentence1: The temperature at which a liquid becomes solid.
sentence2_parse: (ROOT (S (NP (NNS Gases) (CC and) (NNS liquids)) (VP (VBP become) (NP (NNS solids)) (PP (IN at) (NP (JJ low) (NNS temperatures)))) (. .)))
sentence2: Gases and liquids become solids at low temperatures.