change category black_and_grey (1049) -> meta
create alias blue_and_gray (0) -> blue_and_grey (49)
create alias gray_and_blue (0) -> blue_and_grey (49)
create alias grey_and_blue (0) -> blue_and_grey (49)
change category blue_and_grey (49) -> 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 (25)
create alias gray_and_purple (0) -> purple_and_grey (25)
create alias grey_and_purple (0) -> purple_and_grey (25)
change category purple_and_grey (25) -> meta
create implication black_and_grey (1049) -> monochrome (452771)
create implication blue_and_grey (49) -> monochrome (452771)
create implication green_and_grey (3) -> monochrome (452771)
create implication purple_and_grey (25) -> monochrome (452771)