(AI)

I. Consider an expert system containing the following rules set R1 : if X croaks and X eats flies then X is a frog R2 : if X crips and X sings then X is a canary R3: if X is a frog then X is green R4 : if X is a Canary then X is yellow A) Write the methods used by the expert system to find the conclusion \$ige fandaral Cherins Backward cherivie B) what facts will be used by the expert system to give the eonctusion frog is green facts F1: Fritz is a frog