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

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

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