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

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

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