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

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

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