sentence1_binary_parse: ( ( Such ( covalent substances ) ) ( ( are ( ( ( ( ( low-boiling-temperature liquids ) ( -LRB- ( ( such ( as ethanol ) ) -RRB- ) ) ) , ) and ) ( ( low-melting-temperature solids ) ( -LRB- ( ( such ( as ( ( iodine and ) ( solid CO2 ) ) ) ) -RRB- ) ) ) ) ) . ) )
sentence1_parse: (ROOT (S (NP (JJ Such) (NN covalent) (NNS substances)) (VP (VBP are) (NP (NP (NP (JJ low-boiling-temperature) (NNS liquids)) (PRN (-LRB- -LRB-) (PP (JJ such) (IN as) (NP (NN ethanol))) (-RRB- -RRB-))) (, ,) (CC and) (NP (NP (JJ low-melting-temperature) (NNS solids)) (PRN (-LRB- -LRB-) (PP (JJ such) (IN as) (NP (NP (NN iodine)) (CC and) (NP (JJ solid) (NN CO2)))) (-RRB- -RRB-))))) (. .)))
sentence1: Such covalent substances are low-boiling-temperature liquids (such as ethanol), and low-melting-temperature solids (such as iodine and solid CO2).
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.