ones that were imposed for the sake of commercial sensibilities 
(ROOT (NP (NP (NNS ones)) (SBAR (WHNP (WDT that)) (S (VP (VBD were) (VP (VBN imposed) (PP (IN for) (NP (NP (DT the) (NN sake)) (PP (IN of) (NP (JJ commercial) (NNS sensibilities)))))))))))
(ROOT (NP (NP (NNS )) (SBAR (WHNP (WDT )) (S (VP (VBD ) (VP (VBN ) (PP (IN ) (NP (NP (DT ) (NN )) (PP (IN ) (NP (JJ ) (NNS )))))))))))