( ( ( evaporation ( -LRB- ( 1 -RRB- ) ) ) ( ( The process ) ( ( by which ) ( ( ( a liquid ) ( -LRB- ( ( usually water ) -RRB- ) ) ) ( becomes ( a vapor ) ) ) ) ) ) . )
(ROOT (NP (NP (NP (NN evaporation)) (PRN (-LRB- -LRB-) (NP (CD 1)) (-RRB- -RRB-))) (NP (NP (DT The) (NN process)) (SBAR (WHPP (IN by) (WHNP (WDT which))) (S (NP (NP (DT a) (NN liquid)) (PRN (-LRB- -LRB-) (NP (RB usually) (NN water)) (-RRB- -RRB-))) (VP (VBZ becomes) (NP (DT a) (NN vapor)))))) (. .)))
evaporation (1) The process by which a liquid (usually water) becomes a vapor.
(ROOT (S (NP (NNP Evaporation)) (VP (VBZ is) (ADJP (JJ responsible) (PP (IN for) (S (VP (VBG changing) (NP (JJ liquid) (NN water)) (PP (IN into) (NP (NN water) (NN vapor)))))))) (. .)))