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

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

*GRAMMAR*
gazzer -> YELLOW 
 wif -> RED 
 kiki -> BLUE 
 zup -> PURPLE 
 x1 tufa x2 -> [x1] [x2] [x2] [x1] [x2] [x2] [x2] 
 u1 lug u2 -> [u2] [u2] [u1] [u1] 
 u1 dax -> [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 