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

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

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