Two statements are given 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 sparrows are peacocks.
Some peacocks are birds.

Conclusions:
I. All birds are sparrow.
II. Some sparrows are not birds.

A

Both conclusions I and II follow

B

Only conclusion I follows

C

Neither conclusion I nor II follows

D

Only conclusion II follows