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

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

*GRAMMAR*
zup -> RED 
 kiki -> BLUE 
 gazzer -> YELLOW 
 lug -> GREEN 
 u1 tufa -> [u1] [u1] [u1] [u1] [u1] 
 u1 dax u2 -> [u2] [u1] 
 x1 fep u1 -> [x1] [u1] 
 u1 x1 -> [u1] [x1] 
 