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

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

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