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

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

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