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

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

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