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

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

*GRAMMAR*
blicket -> YELLOW 
 zup -> GREEN 
 gazzer -> RED 
 fep -> BLUE 
 u1 lug x1 -> [u1] [x1] 
 u1 tufa u2 -> [u1] [u2] [u1] [u2] 
 x1 dax x2 -> [x1] [x2] 
 u1 x1 -> [u1] [x1] 
 