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

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

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