network model = 
	assets:
		# Car 1= Brake Pads, car2=exhaust
		car1;
		car2;
				
	facts:
		quality:car1,brake_months=6;	
		quality:car1,exhaust_months=12;	
		quality:car1,odometer=120000;
		quality:car1,engine=gas;

		quality:car1,is_in_compliance=true;

		topology:car1<->car2,road;
	tags:
.