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

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

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