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

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

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