, First-Class Mail used by households to pay their bills) and the household bill mail (i.e.
( , ( ( First-Class Mail ) ( ( used ( by households ) ) ( to ( ( ( pay ( their bills ) ) -RRB- ) ( and ( ( the ( household bill ) ) ( mail ( -LRB- i.e. ) ) ) ) ) ) ) ) )
(ROOT (PRN (, ,) (S (NP (NNP First-Class) (NNP Mail)) (VP (VBD used) (PP (IN by) (NP (NNS households))) (S (VP (TO to) (VP (VB pay) (NP (PRP$ their) (NNS bills)) (-RRB- -RRB-) (PP (CC and) (NP (NP (DT the) (NN household) (NN bill)) (NP (NNP mail) (-LRB- -LRB-) (NNP i.e.)))))))))))
First-Class Mail is never used by households to pay their bills
( ( First-Class Mail ) ( is ( never ( ( used ( by households ) ) ( to ( pay ( their bills ) ) ) ) ) ) )
(ROOT (S (NP (NNP First-Class) (NNP Mail)) (VP (VBZ is) (VP (ADVP (RB never)) (VBN used) (PP (IN by) (NP (NNS households))) (S (VP (TO to) (VP (VB pay) (NP (PRP$ their) (NNS bills)))))))))