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

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

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