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

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

*GRAMMAR*
fep -> PINK 
 lug -> YELLOW 
 zup -> RED 
 dax -> BLUE 
 x1 kiki x2 -> [x2] [x1] 
 u1 blicket u2 -> [u1] [u2] 
 u1 gazzer x1 -> [u1] [x1] 
 u1 x1 -> [u1] [x1] 
 