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

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

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