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

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

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