Question: What does the following Prolog program do? m(X, Y):-m2(X, Y, [ ] ). m2([ ], X, X). m2([X|Y], [X, X|Z], W) :- m2(Y, Z, W).

What does the following Prolog program do?

m(X, Y):-m2(X, Y, [ ] ). m2([ ], X, X). m2([X|Y], [X, X|Z], W) :- m2(Y, Z, W).

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