*SUPPORT*
IN: fep OUT: RED
IN: blicket OUT: BLUE
IN: fep dax OUT: RED PURPLE
IN: fep lug fep OUT: RED RED RED
IN: dax lug tufa kiki dax OUT: PURPLE PINK PURPLE PINK
IN: dax kiki dax OUT: PURPLE PURPLE
IN: blicket lug tufa OUT: PINK BLUE PINK
IN: tufa lug dax OUT: PURPLE PINK PURPLE
IN: dax lug tufa OUT: PINK PURPLE PINK
IN: tufa dax blicket lug fep OUT: PINK PURPLE RED BLUE RED
IN: tufa lug blicket kiki tufa gazzer OUT: PINK BLUE PINK BLUE PINK BLUE PINK BLUE
IN: fep tufa lug blicket kiki fep OUT: RED RED BLUE PINK BLUE
IN: dax dax OUT: PURPLE PURPLE
IN: dax lug blicket OUT: BLUE PURPLE BLUE

*QUERY*
IN: dax kiki tufa OUT: PINK PURPLE
IN: blicket fep gazzer OUT: BLUE RED BLUE RED
IN: dax OUT: PURPLE
IN: dax gazzer kiki dax OUT: PURPLE PURPLE PURPLE
IN: tufa dax kiki tufa gazzer kiki fep OUT: RED PINK PINK PURPLE PINK PINK PURPLE
IN: tufa lug dax kiki tufa OUT: PINK PURPLE PINK PURPLE
IN: dax dax blicket lug tufa OUT: PURPLE PURPLE PINK BLUE PINK
IN: fep fep lug blicket gazzer OUT: RED BLUE RED BLUE RED BLUE RED BLUE
IN: tufa lug fep OUT: RED PINK RED
IN: tufa OUT: PINK

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