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

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

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