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

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

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