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

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

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