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

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

*GRAMMAR*
zup -> BLUE 
 dax -> GREEN 
 gazzer -> RED 
 lug -> PINK 
 u1 tufa u2 -> [u2] [u2] [u1] 
 u1 blicket x1 -> [x1] [u1] 
 x1 wif -> [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 