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

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

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