( ( When ( we ( enter ( ( a ( long period ) ) ( of drought ) ) ) ) ) ( , ( ( water conservation ) ( ( takes priority ) . ) ) ) )
(ROOT (S (SBAR (WHADVP (WRB When)) (S (NP (PRP we)) (VP (VBP enter) (NP (NP (DT a) (JJ long) (NN period)) (PP (IN of) (NP (NN drought))))))) (, ,) (NP (NN water) (NN conservation)) (VP (VBZ takes) (NP (NN priority))) (. .)))
When we enter a long period of drought, water conservation takes priority.
(ROOT (S (SBAR (IN Because) (S (NP (NNS trees)) (VP (VBP add) (NP (NN water) (NN vapor)) (PP (TO to) (NP (NN air)))))) (, ,) (S (VP (VBG cutting) (PRT (RP down)) (NP (NNS forests)))) (VP (VBZ leads) (PP (TO to) (NP (NP (JJR longer) (NNS periods)) (PP (IN of) (NP (NN drought)))))) (. .)))