( Mercury ( ( is ( ( a ( silver-white metal ) ) ( that ( is ( liquid ( at ( room temperature ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNP Mercury)) (VP (VBZ is) (NP (NP (DT a) (JJ silver-white) (NN metal)) (SBAR (WHNP (WDT that)) (S (VP (VBZ is) (ADJP (JJ liquid) (PP (IN at) (NP (NN room) (NN temperature))))))))) (. .)))
Mercury is a silver-white metal that is liquid at room temperature.
(ROOT (S (NP (NNP Mercury)) (VP (VBZ is) (RB not) (NP (DT a) (JJ solid) (ADJP (RB even) (PP (IN at) (NP (NN room)))) (NN temperature))) (. .)))