( ( Evaporation ( ( The process ) ( ( by which ) ( water ( is ( ( changed ( from ( the liquid ) ) ) ( into ( the ( vapor state ) ) ) ) ) ) ) ) ) . )
(ROOT (S (VP (VB Evaporation) (NP (NP (DT The) (NN process)) (SBAR (WHPP (IN by) (WHNP (WDT which))) (S (NP (NN water)) (VP (VBZ is) (VP (VBN changed) (PP (IN from) (NP (DT the) (NN liquid))) (PP (IN into) (NP (DT the) (NN vapor) (NN state))))))))) (. .)))
Evaporation The process by which water is changed from the liquid into the vapor state.
(ROOT (S (SBAR (WHADVP (WRB When)) (S (NP (JJ liquid) (NN water) (NNS changes)) (VP (TO to) (VP (VB water) (NP (NN vapor)))))) (NP (PRP it)) (VP (VBZ is) (VP (VBN called) (NP (NN evaporation)))) (. .)))
When liquid water changes to water vapor it is called evaporation.