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

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

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