In practice, most arguments are:

All birds can fly. All ducks are birds. Therefore, all ducks can fly. Hint: in truth, not all birds can fly.

All birds lay eggs, and all ducks are birds. Therefore, all ducks lay eggs.

All birds lay eggs, as do ducks. Therefore, ducks are birds.

Most birds can fly. All ducks are birds. Therefore, some ducks can fly.

All people that live in Germany are German, and Karsten lives in Germany. Therefore, Karsten is German.

If the conclusion of an argument is untrue, that means the argument was:

Germany is a country on the Northern hemisphere, and all countries on the Northern hemisphere are rich. Therefore, Germany is rich.

If the conclusion of an argument is true, that means the argument was:

Germany is a country on the Northern hemisphere. Therefore, Germany is rich.

Some people living in Germany speak Russian, and everyone who speaks Russian has Russian friends. Therefore, everyone who speaks Russian in Germany has Russian friends.

Some people living in Germany speak Russian, and most people who speak Russian have Russian friends. Therefore, some people in Germany that speak Russian have Russian friends.

All birds have wings, and all angels have wings. Therefore, angels are birds.

All angels have wings. Therefore, angels can fly.

All angels have wings, and wings are what attracts people to angels.

All angels have wings, and wings make any creature attractive. Therefore, angels are attractive.

All angels have wings, and all creatures without wings are unattractive. Therefore, angels are attractive.