rule r1
	if	the stain of X is gramneg and
		the morphology of X is rod and
		the aerobicity of X is aerobic
	then	the class of X is enterobacteriaceae with cf 0.8;


rule r2
	if	the stain of X is grampos and
		the morphology of X is coccus and
		the growth_pattern of X is chains
	then	the class of X is streptococcus with cf 0.7;


rule r3
	if	the stain of X is grampos and
		the morphology of X is coccus and
		the growth_pattern of X is clumps
	then	the class of X is staphylococcus with cf 0.7;


rule r4
	if	the infection of Patient is Organism and
		the ailments of Patient include brain_abscess
	then	the class of Organism is streptococcus with cf 0.2;


rule r5
	if	the stain of X is gramneg and
		the morphology of X is rod and
		the aerobicity of X is anaerobic
	then	the class of X is bacteroids with cf 0.8;


the infection of patient_1 is organism_1;
the ailments of patient_1 include brain_abscess;
the stain of organism_1 is grampos;
the morphology of organism_1 is rod with cf 0.8;
the morphology of organism_1 is coccus with cf 0.2;
the aerobicity of organism_1 is aerobic with cf 0.6;
the aerobicity of organism_1 is faculative with cf 0.4;
the growth_pattern of organism_1 is chains with cf 0.1;
the growth_pattern of organism_1 is clumps with cf 0.9;