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

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

*GRAMMAR*
kiki -> RED 
 fep -> GREEN 
 blicket -> YELLOW 
 dax -> BLUE 
 u1 tufa u2 -> [u1] [u2] 
 u1 lug -> [u1] [u1] [u1] [u1] [u1] [u1] 
 u1 zup x1 -> [u1] [x1] 
 u1 x1 -> [u1] [x1] 
 