( ( ( Do not ) ( flush ( toilets ( or ( use water ) ) ) ) ) . )
(ROOT (S (VP (VB Do) (RB not) (VP (VB flush) (NP (NNS toilets) (CC or) (NN use) (NN water)))) (. .)))
Do not flush toilets or use water.
(ROOT (S (NP (NP (DT The) (NN action)) (PP (IN of) (S (VP (VBG flushing) (NP (DT the) (NN toilet))))) (, ,) (VP (VBN performed) (NP (JJ multiple) (NNS times)) (ADVP (RB daily))) (, ,)) (VP (VBZ is) (NP (NP (DT the) (ADJP (JJ single) (JJS biggest)) (NN use)) (PP (IN of) (NP (NP (NN water)) (PP (IN in) (NP (DT the) (NN home))))))) (. .)))