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

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

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