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

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

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