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

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

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