>>24438

That's old international joke that has many variations. Like:

1 Jew - shop owner
2 Jews - international chess tournament
3 Jews - Russian folk instruments ensemble

1 Uzbek - a fool
2 Uzbeks - two fools
3 Uzbeks - Uzbekistan Academy of Sciences.

1 Ukrainian - guerilla fighter
2 Ukrainians - guerilla squad
3 Ukrainians - guerilla squad with a traitor
(same variation for Belorussians)