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

*QUERY*
IN: lug OUT: RED
IN: tufa gazzer dax OUT: BLUE PINK
IN: dax tufa OUT: PINK BLUE
IN: dax gazzer dax OUT: PINK PINK
IN: zup OUT: PURPLE
IN: dax OUT: PINK
IN: lug gazzer tufa OUT: RED BLUE
IN: tufa OUT: BLUE
IN: lug gazzer zup OUT: RED PURPLE
IN: tufa gazzer tufa OUT: BLUE BLUE

*GRAMMAR*
zup -> PURPLE 
 lug -> RED 
 tufa -> BLUE 
 dax -> PINK 
 x1 fep x2 -> [x2] [x1] 
 u1 gazzer u2 -> [u1] [u2] 
 u1 wif x1 -> [x1] [u1] 
 u1 x1 -> [u1] [x1] 
 