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

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

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