change category black_and_grey (919) -> meta
create alias blue_and_gray (0) -> blue_and_grey (40)
create alias gray_and_blue (0) -> blue_and_grey (40)
create alias grey_and_blue (0) -> blue_and_grey (40)
change category blue_and_grey (40) -> meta
create alias green_and_gray (0) -> green_and_grey (3)
create alias gray_and_green (0) -> green_and_grey (3)
create alias grey_and_green (0) -> green_and_grey (3)
change category green_and_grey (3) -> meta
create alias purple_and_gray (0) -> purple_and_grey (17)
create alias gray_and_purple (0) -> purple_and_grey (17)
create alias grey_and_purple (0) -> purple_and_grey (17)
change category purple_and_grey (17) -> meta
create implication black_and_grey (919) -> monochrome (420243)
create implication blue_and_grey (40) -> monochrome (420243)
create implication green_and_grey (3) -> monochrome (420243)
create implication purple_and_grey (17) -> monochrome (420243)