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

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

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