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

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

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