by ZANUDA:

Strauss can’t fly.
A strauss is a bird.
Some birds do not know how to fly.
A penguin can swim.
A penguin is a bird.
Some birds are excellent swimmers.
General conclusion: some people do not know how to make silogisms correctly

This is what happens when individuals go with comments where they are not asked. He made a great joke. There was a joke: The Jewish boy Yasha knows how to swim. Fish can swim too. Therefore, all fish are Jews."