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 cans are dogs.
Some dogs are rats.
Some rats are apples.

Conclusions:
I. No cans are dogs.
II. Some rats are not dogs.
III. Some apples are rats.