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

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

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