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

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

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