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

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

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