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

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

*GRAMMAR*
dax -> PINK 
 kiki -> BLUE 
 zup -> YELLOW 
 tufa -> RED 
 u1 blicket u2 -> [u2] [u1] 
 u1 fep u2 -> [u2] [u1] 
 x1 lug -> [x1] [x1] [x1] [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 