Option A
A. The tail is either absent or no longer than the hind feet.
B. The eyes and ears are either inconspicuous or very small.
C. The incisors are not very orange.
Select

Option B
A. The tail is usually prominent (it may be short).
B. The eyes and ears are usually prominent. If both are either inconspicuous or very small, then...
C. the incisors are very orange.
Select