Exercise Chapter 11.1

1. Here is the answer in Prolog Form:

    
   :(rule31,
   
   		  if(then(and(=(of(colour,wine),white),
   
   				          and(or(=(of(body,wine),light),     				=(of(body,wine),medium)),
   
   						              or(=(of(sweetness,wine),sweet),		=(of(sweetness,wine),medium)))),
   
   		  then  		   confidence_factor(=(wine,riesling),1000))))
   
   

   The tree is up to you!