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

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

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