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

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

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