( ( This ( weekly ( Saturday program ) ) ) ( ( lasts ( ( approximately 30 ) minutes ) ) . ) )
(ROOT (S (NP (DT This) (JJ weekly) (NNP Saturday) (NN program)) (VP (VBZ lasts) (NP (QP (RB approximately) (CD 30)) (NNS minutes))) (. .)))
This weekly Saturday program lasts approximately 30 minutes.
(ROOT (S (NP (DT The) (JJ fetal) (NN period)) (VP (VBZ lasts) (NP (NP (QP (RB approximately) (CD 30)) (NNS weeks)) (NP (NNS weeks)))) (. .)))