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

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

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