I am verifying the answers generated by an automatic system to the following question: what does the green mean on the mexican flag Suggested answer: However, the coat of arms has had the same features throughout: an eagle , holding a serpent in its talon , is perched on top of a prickly pear cactus ; the cactus is situated on a rock that rises above a lake. Should I validate this answer?

Options are:
(a). No;
(b). Yes;
The answer is:
(a).