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

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

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