Question: Given the following Prolog database entries: sibling(paul,ann). sibling(jim,jo). sibling(jim,jacob). son(bob,jane). son(tom,paul). son(bob,jim). nephew(X,Y) :- son(X,Z),sibling(Z,Y). Explain whether the following queries succeed or fail, and state

Given the following Prolog database entries:

sibling(paul,ann).

sibling(jim,jo).

sibling(jim,jacob).

son(bob,jane).

son(tom,paul).

son(bob,jim).

nephew(X,Y) :- son(X,Z),sibling(Z,Y).

Explain whether the following queries succeed or fail, and state what each query returns if it succeeds. Please show how you arrive at your answer (2 marks)

a. |?- nephew(U,jo).

b. |?- nephew(tom, ann).

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