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

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

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