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

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

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