Question: 2.6 Consider the following program: f( 1, one). f(s(1), two). f(s(s(1)), three). f(s(s(s(X))), N) :- f( X, N). How will Prolog answer the following questions?

2.6 Consider the following program: f( 1, one). f(s(1), two). f(s(s(1)), three). f(s(s(s(X))), N) :- f( X, N). How will Prolog answer the following questions? Whenever several answers are possible, give at least two.

(a) ?- f(s(1), A).

(b) ?-f(s(s(1)), two).

(c) ?-f(s(s(s(s(s(s(1)))))), C).

(d) ?- f( D, three),

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