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

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

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