Question: Is George IV of the United Kingdom the sibling of Edward VIII and Prince Alfred of Great Britain?
Paraphrase: Is George IV of the United Kingdom the brother of both Edward VIII and Prince Alfred of Great Britain?
SPARQL (Wikidata): ASK WHERE { wd:Q130586 wdt:P3373 wd:Q590227 . wd:Q130586 wdt:P3373 wd:Q2140119 }