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

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

*GRAMMAR*
blicket -> BLUE 
 fep -> PURPLE 
 zup -> RED 
 dax -> YELLOW 
 x1 tufa x2 -> [x1] [x2] 
 u1 kiki u2 -> [u2] [u1] 
 x1 lug x2 -> [x2] [x1] 
 u1 x1 -> [u1] [x1] 
 