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

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

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