    Sentence: 1::Tenet ‘#isbeen under  ‘scrutiny since-November.,. when former  Chief Executive Jeffrey Barbakow said  the company. used aggressive pricing to  trigger higher payments for the-sickest-  Medicare patients. ~~    Sentencg 2:In. November: , Jeffrey  Brabakow., the chief executive: at.the  time’; said’. the.. ‘company . used  aggressive “pritirig to - get. higher  payments - for: the. sickest Medicare  patients .