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

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

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