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

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

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