Which one of the following is a correct implementation of the meta-pre – McqOptions

MCQOPTIONS

1.	Which one of the following is a correct implementation of the meta-predicatenotin PROLOG (Here G represents a goal)?
A.	not (G):- !, call(G), fail. not(G).
B.	not (G):- call(G), !, fail. not(G).
C.	not (G):- call(G), fail, !. not(G).
D.	not (G)
Answer» C. not (G):- call(G), fail, !. not(G).

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