remove alias hooffoots (0) -> hooved_toes (2255)
remove implication hooved_toes (2255) -> hooves (163660)
remove implication hooved_digitigrade (0) -> hooved_toes (2255)
remove implication hooved_digitigrade (0) -> digitigrade (141351)
remove implication hooved_plantigrade (1351) -> hooved_toes (2255)