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

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

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