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

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

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