*SUPPORT*
IN: dax lug wif fep zup fep zup OUT: PURPLE RED GREEN GREEN
IN: wif OUT: RED
IN: zup gazzer OUT: GREEN BLUE
IN: zup blicket wif fep zup fep wif OUT: RED RED GREEN GREEN RED
IN: wif wif lug gazzer blicket zup fep dax OUT: GREEN GREEN RED RED BLUE PURPLE
IN: wif wif blicket gazzer fep gazzer OUT: BLUE BLUE RED RED BLUE
IN: dax fep dax OUT: PURPLE PURPLE
IN: gazzer OUT: BLUE
IN: zup blicket wif OUT: RED RED GREEN
IN: gazzer dax dax OUT: BLUE PURPLE PURPLE
IN: dax lug zup fep dax OUT: PURPLE GREEN PURPLE
IN: gazzer lug gazzer blicket zup blicket wif OUT: RED RED GREEN GREEN BLUE BLUE
IN: gazzer lug dax dax blicket dax OUT: PURPLE PURPLE BLUE PURPLE PURPLE
IN: dax OUT: PURPLE

*QUERY*
IN: zup OUT: GREEN
IN: gazzer blicket dax OUT: PURPLE PURPLE BLUE
IN: gazzer blicket zup fep zup OUT: GREEN GREEN BLUE GREEN
IN: zup blicket wif fep wif OUT: RED RED GREEN RED
IN: zup gazzer fep dax OUT: GREEN BLUE PURPLE
IN: dax zup blicket dax OUT: PURPLE PURPLE PURPLE GREEN
IN: wif fep gazzer blicket zup OUT: GREEN GREEN RED BLUE
IN: zup zup gazzer wif OUT: GREEN GREEN BLUE RED
IN: zup dax fep zup OUT: GREEN PURPLE GREEN
IN: wif dax lug zup lug wif OUT: RED PURPLE GREEN RED

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