Three Statements are given followed by Three conclusions numbered I, II and III. Assuming the statements to be true, even if they seem to be at variance with commonly known facts, decide which of the conclusions logically follow(s) from the statements.

Statements:

All birds are parrots.

No parrot is a crow.

Some owls are crows.

Conclusions:

I. Some parrots are owls.

II. No crow is a bird.

III. No owl is a bird.

Only conclusion II follows.