( Treatment ( ( is ( given ( for ( ( ( ( four to ) six ) cycles ) ( -LRB- ( ( ( ( 12 to ) 18 ) weeks ) -RRB- ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNP Treatment)) (VP (VBZ is) (VP (VBN given) (PP (IN for) (NP (NP (QP (CD four) (TO to) (CD six)) (NNS cycles)) (PRN (-LRB- -LRB-) (NP (QP (CD 12) (TO to) (CD 18)) (NNS weeks)) (-RRB- -RRB-)))))) (. .)))
Treatment is given for four to six cycles (12 to 18 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)))))))))) (. .)))