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

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

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