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:
Some cats are rats.
All rats are mice.

Conclusions:
I. Some cats are mice.
II. Some mice are cats.

A

Both conclusions I and II follow.

B

Only conclusion II follows.

C

Neither conclusion I nor II follows.

D

Only conclusion I follows.