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

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

*GRAMMAR*
wif -> GREEN 
 gazzer -> YELLOW 
 zup -> RED 
 kiki -> BLUE 
 x1 dax u1 -> [x1] [u1] 
 u1 fep -> [u1] [u1] 
 u1 lug u2 -> [u2] [u1] [u2] 
 u1 x1 -> [u1] [x1] 
 