{"subcategory": "Bij", "supercategory": "Set", "kind": "core"}
{"subcategory": "Hilb\u2080", "supercategory": "Hilb", "kind": "core"}
{"subcategory": "Perm", "supercategory": "FinSet", "kind": "core"}
{"subcategory": "SymmRel", "supercategory": "Rel", "kind": "core"}