{"entities":{"P4":{"pageid":10,"ns":122,"title":"Property:P4","lastrevid":15,"modified":"2026-03-24T15:12:11Z","type":"property","datatype":"wikibase-item","id":"P4","labels":{"en":{"language":"en","value":"subclass of"}},"descriptions":{"en":{"language":"en","value":"this item is a subclass (subset) of that item; ALL instances of this item are instances of that item; different from P31 (instance of), e.g.: volcano is a subclass of mountain; Everest is an instance of mountain"}},"aliases":{},"claims":{}}}}