remove implication prehistoric_species (82303) -> extinct (41)
remove implication mammoth (544) -> extinct (41)
remove implication recently_extinct_species (2724) -> extinct (41)
create implication mammoth (544) -> prehistoric_species (82303)
remove implication woolly_mammoth (83) -> recently_extinct_species (2724)
remove implication hydrodamalis (2) -> extinct (41)