improvised on a day-to-day basis during production 
(ROOT (VP (VBN improvised) (PP (IN on) (NP (DT a) (NML (NML (NN day)) (HYPH -) (PP (IN to) (HYPH -) (NP (NN day)))) (NN basis))) (PP (IN during) (NP (NN production)))))
(ROOT (VP (VBN ) (PP (IN ) (NP (DT ) (NML (NML (NN )) (HYPH ) (PP (IN ) (HYPH ) (NP (NN )))) (NN ))) (PP (IN ) (NP (NN )))))