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

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

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