( ( Short bursts ) ( ( can ( be ( used ( to ( conserve water ) ) ) ) ) . ) )
(ROOT (S (NP (JJ Short) (NNS bursts)) (VP (MD can) (VP (VB be) (VP (VBN used) (S (VP (TO to) (VP (VB conserve) (NP (NN water)))))))) (. .)))
Short bursts can be used to conserve water.
(ROOT (S (NP (DT The) (JJS best) (NN way) (NNS humans)) (VP (MD can) (VP (VB conserve) (SBAR (S (NP (NN water)) (VP (VBZ is) (S (VP (TO to) (VP (VB use) (NP (JJR less)))))))))) (. .)))