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

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

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