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

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

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