( it ( ( is ( ( the ( driest ( inhabited continent ) ) ) ( -LRB- ( ( ( only Antarctica ) ( has ( ( less ( ` ( liquid ' ) ) ) water ) ) ) -RRB- ) ) ) ) ; ) )
(ROOT (S (NP (PRP it)) (VP (VBZ is) (NP (NP (DT the) (JJ driest) (JJ inhabited) (NN continent)) (PRN (-LRB- -LRB-) (S (NP (RB only) (NNP Antarctica)) (VP (VBZ has) (NP (ADJP (RBR less) (`` `) (JJ liquid) ('' ')) (NN water)))) (-RRB- -RRB-)))) (: ;)))
it is the driest inhabited continent (only Antarctica has less 'liquid' water);
(ROOT (S (NP (NNP Antarctica)) (VP (VBZ is) (NP (NP (DT the) (JJ only) (NN continent)) (PP (IN without) (NP (NNS amphibians))))) (. .)))