Context: Sharpnose-puffers are poisonous animals with brightly colored skin. The bright color serves as a warning sign that the animal is poisonous. The 's skin is adapted to ward off predators.
Figure: sharpnose-puffer.
Which animal's skin is better adapted as a warning sign to ward off predators?
A. Spanish shawl nudibranch
B. fantastic leaf-tailed gecko
From the given choices, pick the correct answer and respond by indicating the letter of the correct option.

A