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

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

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