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

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

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