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

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

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