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

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

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