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

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

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