Whether State Law Requiring Food Establishments To Accommodate Trained Guide Dogs And Miniature Horses Preempts An Ordinance Of A First Class City Requiring Accommodation Of A Broader Class Of Animals An ordinance of a first class city that prohibits food establishments from treating people differently based upon the use of additional types of service animals is not preempted by a state law prohibiting different treatment based only on the use of trained guide dogs and miniature horses.