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

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

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