by the estimation of three panels of critics who were polled daily to rate the films in competition , the favorites were lounguine 's `` taxi blues , '' a story of class conflict told through the love-hate relationship between a moscow cab driver and a jewish musician ; tavernier 's `` daddy nostalgie , '' about a young woman 's reunion with her dying father ; and rappeneau 's lavish production of `` cyrano de bergerac . ''