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

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

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