*SUPPORT*
IN: dax blicket kiki OUT: BLUE PURPLE
IN: kiki dax lug kiki lug kiki OUT: BLUE BLUE BLUE PURPLE
IN: dax wif OUT: PURPLE PURPLE PURPLE
IN: dax OUT: PURPLE
IN: kiki kiki blicket kiki OUT: BLUE BLUE BLUE
IN: fep blicket kiki OUT: BLUE RED
IN: fep OUT: RED
IN: fep kiki blicket dax OUT: RED PURPLE BLUE
IN: gazzer kiki blicket kiki lug dax lug dax OUT: PURPLE PURPLE GREEN BLUE BLUE
IN: kiki dax blicket fep OUT: BLUE RED PURPLE
IN: fep fep lug fep OUT: RED RED RED
IN: fep lug fep wif OUT: RED RED RED RED RED RED
IN: dax blicket dax OUT: PURPLE PURPLE
IN: gazzer blicket kiki OUT: BLUE GREEN

*QUERY*
IN: dax kiki blicket fep lug kiki OUT: BLUE PURPLE RED BLUE
IN: dax blicket dax lug fep lug kiki OUT: BLUE RED PURPLE PURPLE
IN: kiki kiki lug gazzer OUT: GREEN BLUE BLUE
IN: gazzer OUT: GREEN
IN: fep wif OUT: RED RED RED
IN: gazzer blicket dax OUT: PURPLE GREEN
IN: kiki gazzer wif OUT: BLUE GREEN BLUE GREEN BLUE GREEN
IN: kiki blicket gazzer OUT: GREEN BLUE
IN: kiki wif lug gazzer lug gazzer OUT: GREEN GREEN BLUE BLUE BLUE
IN: kiki OUT: BLUE

*GRAMMAR*
gazzer -> GREEN 
 fep -> RED 
 dax -> PURPLE 
 kiki -> BLUE 
 u1 blicket u2 -> [u2] [u1] 
 x1 wif -> [x1] [x1] [x1] 
 x1 lug u1 -> [u1] [x1] 
 u1 x1 -> [u1] [x1] 
 