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

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

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