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

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

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