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

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

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