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

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

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