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

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

*GRAMMAR*
lug -> RED 
 dax -> BLUE 
 zup -> GREEN 
 tufa -> PINK 
 u1 gazzer x1 -> [u1] [x1] 
 x1 wif -> [x1] [x1] 
 u1 fep u2 -> [u2] [u1] 
 u1 x1 -> [u1] [x1] 
 