( It ( ( ( does ( like ( a ( little ( extra water ) ) ) ) ) ( during ( long ( drought periods ) ) ) ) . ) )
(ROOT (S (NP (PRP It)) (VP (VBZ does) (PP (IN like) (NP (DT a) (JJ little) (JJ extra) (NN water))) (PP (IN during) (NP (JJ long) (NN drought) (NNS periods)))) (. .)))
It does like a little extra water during long drought periods.
(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)))))) (. .)))