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

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

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