Read the given statements and conclusions carefully. Assuming that the information given in the statements is true, even if it appears to be at variance with commonly known facts, decide which of the given conclusions logically follow(s) from the statements.

Statements:

All cats are dogs.

Some dogs are elephants

All elephants are camels.

Conclusions:

I. All cats are elephants.

II. Some cats are elephants.

III. Some elephants are dogs

IV. Some camels are dogs.