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

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

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