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

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

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