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

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

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