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

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

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