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:
Some dogs are animals.
Some animals are pet.
All pets are white.

Conclusions:
I. Some dogs are white.
II. Some animals are white.
III. Some animals are dogs.