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

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

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