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

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

*GRAMMAR*
gazzer -> BLUE 
 kiki -> YELLOW 
 dax -> GREEN 
 lug -> RED 
 x1 fep x2 -> [x2] [x1] 
 u1 tufa x1 -> [u1] [u1] [x1] [x1] 
 x1 zup -> [x1] [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 