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 dogs are cats.
No cat is a rat.
Conclusions:
I. Some rats are cats.
II. Some dogs are rats.

A

Neither conclusion I nor II follows

B

Only conclusion I follows.

C

Both conclusions I and II follow.

D

Only conclusion II follows.