The bulk update request #2526 is active.

create implication white_panties (8181) -> white_underwear (20602)
create implication yellow_panties (743) -> yellow_underwear (2026)

Reason: All the other colours are already implied to (color)_underwear but somehow these two were missed.

EDIT: The bulk update request #2526 (forum #335430) has been approved by @bitWolfy.