BUR #20206 has been rejected.
create implication angel_wings -> feathered_wings
create implication bird_wings -> feathered_wings
Missing implication.
Angel wings wiki page describes them as subtype of feathered wings:
Typically, large white feathered wings.
See also
Feathered wings wiki page:
Wings that are covered by feathers.
See also
Bird wings wiki is self explanatory:
External links
Some might want to consider bird_wings and angel_wings wings separate given detalied patterened bird wings vs pure white angel wings so I didn't request to alias them but they should definitely both imply feathered_wings.
Updated