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

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

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