*SUPPORT*
IN: zup fep kiki OUT: YELLOW RED
IN: zup dax OUT: YELLOW YELLOW
IN: zup lug OUT: YELLOW GREEN
IN: zup OUT: YELLOW
IN: tufa dax OUT: BLUE BLUE
IN: lug fep kiki tufa lug OUT: GREEN RED BLUE GREEN
IN: tufa fep lug fep lug OUT: BLUE GREEN GREEN
IN: kiki lug fep lug blicket lug OUT: GREEN RED GREEN GREEN
IN: zup fep tufa blicket zup lug OUT: YELLOW YELLOW GREEN BLUE
IN: lug dax OUT: GREEN GREEN
IN: lug OUT: GREEN
IN: kiki dax OUT: RED RED
IN: tufa fep lug OUT: BLUE GREEN
IN: kiki dax dax OUT: RED RED RED RED

*QUERY*
IN: lug fep kiki OUT: GREEN RED
IN: zup zup dax dax OUT: YELLOW YELLOW YELLOW YELLOW YELLOW YELLOW YELLOW YELLOW
IN: zup fep zup dax OUT: YELLOW YELLOW YELLOW
IN: kiki OUT: RED
IN: zup fep lug fep zup OUT: YELLOW GREEN YELLOW
IN: kiki fep zup fep kiki dax OUT: RED YELLOW RED RED
IN: lug blicket kiki fep kiki dax OUT: RED RED RED GREEN
IN: zup fep kiki dax dax OUT: YELLOW RED RED RED RED
IN: kiki blicket kiki fep zup dax dax OUT: RED YELLOW YELLOW YELLOW YELLOW RED
IN: tufa OUT: BLUE

*GRAMMAR*
lug -> GREEN 
 zup -> YELLOW 
 kiki -> RED 
 tufa -> BLUE 
 u1 fep x1 -> [u1] [x1] 
 x1 blicket x2 -> [x2] [x1] 
 x1 dax -> [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 