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

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

*GRAMMAR*
dax -> RED 
 gazzer -> YELLOW 
 kiki -> PURPLE 
 wif -> BLUE 
 u1 zup -> [u1] [u1] 
 x1 tufa x2 -> [x2] [x1] 
 u1 lug x1 -> [u1] [x1] 
 u1 x1 -> [u1] [x1] 
 