( ( The sun ) ( ( heats ( ( ( the ( Earth 's ) ) ( surface water ) ) ( which ( causes ( it ( to evaporate ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT The) (NN sun)) (VP (VBZ heats) (NP (NP (NP (DT the) (NN Earth) (POS 's)) (NN surface) (NN water)) (SBAR (WHNP (WDT which)) (S (VP (VBZ causes) (S (NP (PRP it)) (VP (TO to) (VP (VB evaporate))))))))) (. .)))
The sun heats the Earth's surface water which causes it to evaporate .
(ROOT (S (NP (NNS Geysers)) (VP (VBP are) (VP (VBN created) (SBAR (WHADVP (WRB when)) (S (NP (NN water)) (VP (VBZ is) (VP (VBN heated) (PP (IN beneath) (NP (NP (DT the) (NN earth) (POS 's)) (NN surface))))))))) (. .)))