Two Statements are gain followed by two conclusions numbered I and II. 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 crows are birds.
Some parrots are birds.

Coucl11sions:
I. No crow is a parrot
II. Some crows are parrots.

A

Only conclusion I follows.

B

Either conclusion I nor II follows.

C

Both conclusions I and II follow.

D

Only conclusion II follows