( ( The ( entire ( life cycle ) ) ) ( ( lasts ( ( ( four to ) six ) weeks ) ) . ) )
(ROOT (S (NP (DT The) (JJ entire) (NN life) (NN cycle)) (VP (VBZ lasts) (NP (QP (CD four) (TO to) (CD six)) (NNS weeks))) (. .)))
The entire life cycle lasts four to six weeks.
(ROOT (S (NP (EX There)) (VP (VBP are) (NP (NP (QP (CD four) (TO to) (CD six)) (NNS weeks)) (SBAR (S (VP (VBP are) (PP (IN in) (NP (NP (DT the) (NN life) (NN cycle)) (PP (IN of) (NP (NNS ladybugs)))))))))) (. .)))