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

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

*GRAMMAR*
tufa -> GREEN 
 gazzer -> RED 
 kiki -> BLUE 
 dax -> PURPLE 
 u1 zup u2 -> [u2] [u1] [u2] [u1] 
 u1 blicket -> [u1] [u1] 
 x1 lug x2 -> [x1] [x2] 
 u1 x1 -> [u1] [x1] 
 