because then they'll or you have a prescription
( because ( ( ( then ( they 'll ) ) or ) ( you ( have ( a prescription ) ) ) ) )
(ROOT (SBAR (IN because) (S (S (ADVP (RB then)) (NP (PRP they)) (VP (MD 'll))) (CC or) (S (NP (PRP you)) (VP (VBP have) (NP (DT a) (NN prescription)))))))
That gives assurance that you've got a prescription.
( That ( ( ( gives assurance ) ( that ( you ( 've ( got ( a prescription ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT That)) (VP (VBZ gives) (NP (NN assurance)) (SBAR (IN that) (S (NP (PRP you)) (VP (VBP 've) (VP (VBN got) (NP (DT a) (NN prescription))))))) (. .)))