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

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

*GRAMMAR*
gazzer -> PURPLE 
 zup -> YELLOW 
 wif -> GREEN 
 dax -> RED 
 u1 fep x1 -> [u1] [x1] [u1] [x1] 
 u1 lug u2 -> [u1] [u2] 
 x1 kiki x2 -> [x2] [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 