What is the meaning of the following line of Prolog code? cat(X) :- claws(X), beard(X). Question 5 options: a) X is a cat and has claws and a beard. b) If X is a cat, then X has claws and a beard. c) If X has claws and a beard, then X is a cat. d) If X is a cat, then X either has claws or a beard