( ( The ( treated water ) ) ( ( is ( used ( ( ( to ( flush toilets ) ) and ) ( to ( water plants ) ) ) ) ) . ) )
(ROOT (S (NP (DT The) (JJ treated) (NN water)) (VP (VBZ is) (VP (VBN used) (PP (PP (TO to) (NP (JJ flush) (NNS toilets))) (CC and) (PP (TO to) (NP (NN water) (NNS plants)))))) (. .)))
The treated water is used to flush toilets and to water plants.
(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))))))) (. .)))