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

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

*GRAMMAR*
wif -> BLUE 
 zup -> PINK 
 lug -> GREEN 
 dax -> PURPLE 
 x1 tufa x2 -> [x2] [x1] [x1] 
 u1 gazzer x1 -> [x1] [u1] 
 u1 blicket u2 -> [u2] [u1] [u1] [u1] [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 