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

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

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