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

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

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