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

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

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