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

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

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