Question: What was the British Empire's basic form of government and the category of associated people?
Paraphrase: What was the British Empire's primary form of government and the category of associated people?
SPARQL (Wikidata): SELECT ?ans_1 ?ans_2 WHERE { wd:Q8680 wdt:P122 ?ans_1 . wd:Q8680 wdt:P1792 ?ans_2 }
Answer: constitutional monarchy, Category:People of the British Empire