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

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

*GRAMMAR*
gazzer -> GREEN 
 lug -> YELLOW 
 dax -> BLUE 
 tufa -> PURPLE 
 u1 kiki u2 -> [u1] [u2] 
 u1 fep x1 -> [x1] [u1] 
 x1 blicket x2 -> [x2] [x1] 
 u1 x1 -> [u1] [x1] 
 