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

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

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