>>>Just to make sure you have no tricks up your sleeve. Looking at the hat they are wearing would be against the rules, right? hehe
>>
>>Ok, no sleeves. Let's think, that these sages stay on the beach wearing only hats (black or white) and boxers (the color doesn't matter) :)
>
>Are these sages multi-lingual? Use native language to indicate the person in front of you has the same color hat, use another language to say it is different. If they are not multi-lingual, in strategy time someone would tell everyone else how to say 'Black' and 'White' in the second language.

Did you see my hint, BTW?

Ok, I give you 24h. to solve, then give my own solution.