*SUPPORT*
IN: zup fep zup OUT: BLUE BLUE BLUE BLUE
IN: dax fep kiki OUT: RED RED YELLOW YELLOW
IN: kiki fep tufa OUT: PURPLE PURPLE RED RED
IN: zup fep kiki OUT: RED RED BLUE BLUE
IN: kiki fep kiki OUT: RED RED RED RED
IN: kiki OUT: RED
IN: tufa gazzer tufa kiki OUT: PURPLE PURPLE PURPLE RED
IN: tufa dax OUT: PURPLE YELLOW
IN: tufa kiki fep tufa OUT: PURPLE PURPLE PURPLE RED RED
IN: zup zup fep tufa OUT: BLUE PURPLE PURPLE BLUE BLUE
IN: dax OUT: YELLOW
IN: dax tufa gazzer kiki OUT: YELLOW PURPLE PURPLE RED
IN: zup tufa dax fep dax OUT: BLUE PURPLE YELLOW YELLOW YELLOW YELLOW
IN: zup OUT: BLUE

*QUERY*
IN: zup fep tufa OUT: PURPLE PURPLE BLUE BLUE
IN: dax tufa gazzer tufa fep tufa OUT: YELLOW PURPLE PURPLE PURPLE PURPLE PURPLE PURPLE
IN: tufa fep kiki OUT: RED RED PURPLE PURPLE
IN: kiki zup OUT: RED BLUE
IN: tufa blicket zup OUT: PURPLE BLUE PURPLE BLUE BLUE
IN: kiki fep dax OUT: YELLOW YELLOW RED RED
IN: kiki tufa fep kiki OUT: RED RED RED PURPLE PURPLE
IN: tufa gazzer tufa gazzer zup OUT: PURPLE PURPLE PURPLE PURPLE BLUE
IN: dax kiki OUT: YELLOW RED
IN: tufa OUT: PURPLE

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