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

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

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