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

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

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