*SUPPORT*
IN: kiki fep blicket OUT: BLUE PINK BLUE PINK
IN: fep dax fep OUT: PINK PURPLE PINK
IN: dax lug zup OUT: RED PURPLE
IN: zup dax OUT: RED PURPLE
IN: fep lug zup blicket OUT: RED RED PINK
IN: kiki OUT: BLUE
IN: dax lug dax blicket OUT: PURPLE PURPLE PURPLE
IN: dax lug dax blicket blicket OUT: PURPLE PURPLE PURPLE PURPLE PURPLE
IN: kiki blicket OUT: BLUE BLUE
IN: zup OUT: RED
IN: dax kiki fep lug kiki blicket OUT: PURPLE BLUE BLUE PINK PURPLE BLUE BLUE PINK
IN: zup zup OUT: RED RED
IN: kiki zup OUT: BLUE RED
IN: zup fep tufa dax blicket OUT: PURPLE PURPLE RED PINK

*QUERY*
IN: dax blicket blicket tufa kiki blicket blicket OUT: BLUE BLUE BLUE BLUE PURPLE PURPLE PURPLE PURPLE
IN: kiki zup tufa kiki lug zup blicket OUT: RED RED BLUE BLUE RED
IN: zup tufa kiki lug kiki blicket OUT: BLUE BLUE BLUE RED
IN: fep OUT: PINK
IN: dax lug dax OUT: PURPLE PURPLE
IN: dax blicket tufa dax blicket blicket OUT: PURPLE PURPLE PURPLE PURPLE PURPLE PURPLE
IN: dax OUT: PURPLE
IN: dax lug fep OUT: PINK PURPLE
IN: zup kiki kiki OUT: RED BLUE BLUE
IN: fep blicket OUT: PINK PINK

*GRAMMAR*
kiki -> BLUE 
 zup -> RED 
 fep -> PINK 
 dax -> PURPLE 
 u1 lug x1 -> [x1] [u1] 
 x1 tufa x2 -> [x2] [x1] 
 x1 blicket -> [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 