query: Blood Purity in Harry Potter: What is the origin of 'blood purity'
positive_passages.docid: 21572
positive_passages.text: Where did the "Magic Blood" of the Harry Potter Universe Originate From?
negative_passages.docid: 76011
negative_passages.text: Why is blood needed to sign a summoning contract and to use the summoning jutsu?
negative_passages.docid: 118972
negative_passages.text: Why is "blood" pronounced the way it is?
negative_passages.docid: 60941
negative_passages.text: Why didn't Harry himself drink Polyjuice Potion instead of all others in Deathly Hallows Part 1?
negative_passages.docid: 119488
negative_passages.text: Why did Voldemort take the wand of one of his most loyal servants?
negative_passages.docid: 48911
negative_passages.text: What is the etymology of Doctor Who?
negative_passages.docid: 99519
negative_passages.text: When and why did Harry Potter fall in love with Ginny Weasley?
negative_passages.docid: 100931
negative_passages.text: Origin of the meaning of joe
negative_passages.docid: 96154
negative_passages.text: Why did Hermione use Levicorpus of all spells?
negative_passages.docid: 70073
negative_passages.text: Is there any Potterverse explanation for a wand?
negative_passages.docid: 97151
negative_passages.text: Where did the notion that Werewolves and Vampires are at odds originate?
negative_passages.docid: 6709
negative_passages.text: Origin of electric charge
negative_passages.docid: 39151
negative_passages.text: What triggers a lycanthropic change in the Potterverse?
negative_passages.docid: 94305
negative_passages.text: What sort of curse does unicorn's blood give?
negative_passages.docid: 66663
negative_passages.text: Necromancy In Harry Potter
negative_passages.docid: 72758
negative_passages.text: Has JKR ever talked about the inspiration of creating the Horcrux idea? Is it related to the One Ring?
negative_passages.docid: 154626
negative_passages.text: How did the word "copacetic" come into use?