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

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

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