The panel of olympic diversity is important to maintain the integrity of the games. which noun is punctuated appropriately to indicate possession? judges' judge's judges judges's

It is asked in the problem what appropriate word fits in the sentence, The panel of Olympic _ diversity is important to maintain the integrity of the games. The answer would have to be judges' since diversity is something owned by the judges. It is something related itself to the judges.there are many judges not only one so A.