Option A
A. The front half of the tail is dark, the end of the tail is white and the middle is mottled.
B. The fur on the underside of the animal is pure white.
Select

Option B
A. The colour pattern on the tail is not one where the front half of the tail is dark, the end of the tail is white and the middle is mottled.
B. The fur on the underside of the animal may or may not be pure white.
Select