The Leland Act  (1) simplify the household definition
( ( ( The ( Leland Act ) ) ( -LRB- ( 1 -RRB- ) ) ) ( simplify ( the ( household definition ) ) ) )
(ROOT (S (NP (NP (DT The) (NNP Leland) (NNP Act)) (PRN (-LRB- -LRB-) (NP (CD 1)) (-RRB- -RRB-))) (VP (VBP simplify) (NP (DT the) (NN household) (NN definition)))))
A household is a concept that cannot be defined.
( ( A household ) ( ( is ( ( a concept ) ( that ( ( can not ) ( be defined ) ) ) ) ) . ) )
(ROOT (S (NP (DT A) (NN household)) (VP (VBZ is) (NP (NP (DT a) (NN concept)) (SBAR (WHNP (WDT that)) (S (VP (MD can) (RB not) (VP (VB be) (VP (VBN defined)))))))) (. .)))