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

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

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