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

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

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