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

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

*GRAMMAR*
gazzer -> BLUE 
 zup -> PURPLE 
 dax -> RED 
 wif -> GREEN 
 u1 tufa x1 -> [x1] [u1] 
 x1 blicket x2 -> [x2] [x1] 
 x1 lug u1 -> [x1] [u1] 
 u1 x1 -> [u1] [x1] 
 