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

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

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