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

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

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