*SUPPORT*
IN: zup wif zup gazzer tufa OUT: PINK PINK YELLOW
IN: tufa wif dax OUT: PURPLE YELLOW
IN: zup wif zup OUT: PINK PINK
IN: tufa OUT: YELLOW
IN: tufa lug tufa tufa OUT: YELLOW BLUE YELLOW YELLOW
IN: dax wif zup OUT: PINK PURPLE
IN: zup gazzer dax OUT: PINK PURPLE
IN: dax kiki tufa OUT: YELLOW YELLOW PURPLE PURPLE
IN: dax wif dax OUT: PURPLE PURPLE
IN: zup OUT: PINK
IN: dax zup wif zup OUT: PURPLE PINK PINK
IN: lug wif lug gazzer tufa gazzer zup OUT: BLUE BLUE YELLOW PINK
IN: tufa zup wif zup OUT: YELLOW PINK PINK
IN: zup wif dax OUT: PURPLE PINK

*QUERY*
IN: zup wif tufa OUT: YELLOW PINK
IN: dax OUT: PURPLE
IN: lug wif lug OUT: BLUE BLUE
IN: tufa gazzer zup kiki zup wif dax OUT: PURPLE PINK PURPLE PINK YELLOW PINK YELLOW PINK
IN: lug tufa lug OUT: BLUE YELLOW BLUE
IN: zup wif tufa gazzer zup OUT: YELLOW PINK PINK
IN: lug OUT: BLUE
IN: lug lug kiki lug gazzer zup OUT: BLUE BLUE BLUE BLUE BLUE BLUE PINK
IN: zup zup lug OUT: PINK PINK BLUE
IN: tufa dax OUT: YELLOW PURPLE

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