query: Who introduced the Sandworms to Arrakis?
positive_passages.docid: 150745
positive_passages.text: Why Didn't the Empire Transplant Sandworms to Other Planets?
negative_passages.docid: 117428
negative_passages.text: How did the Goa'uld Raiding team return in the beginning of the pilot?
negative_passages.docid: 55445
negative_passages.text: What kind of beings are shown by the Marauder's Map?
negative_passages.docid: 109789
negative_passages.text: How did Thranduil know about the 'infamous' Strider when the latter was only 10 during the Battle of the Five Armies?
negative_passages.docid: 52492
negative_passages.text: Humans abducted and sold as gladiators/slaves?
negative_passages.docid: 52635
negative_passages.text: Was the whole changeling/Dominion plot planned from the beginning?
negative_passages.docid: 86958
negative_passages.text: Trilogy: Alien-insects invade earth and are resisted by cyborgs
negative_passages.docid: 89753
negative_passages.text: Why was Wormtail made a servant?
negative_passages.docid: 104587
negative_passages.text: What is the origin of the Emperor of Mankind?
negative_passages.docid: 49387
negative_passages.text: Novel, group transported to a fantasy world, wild/chaos magic
negative_passages.docid: 151765
negative_passages.text: Who stole the darkness from the accepted-answer-tick?
negative_passages.docid: 99287
negative_passages.text: When did the Sith enter the Star Wars canon?
negative_passages.docid: 139026
negative_passages.text: What did Leto do to earn the enmity of the Padishah Emperor?
negative_passages.docid: 77822
negative_passages.text: Why is the destination of the Discovery in 2001: A Space Odyssey Saturn in the book and Jupiter in the movie?
negative_passages.docid: 71009
negative_passages.text: Trying to identify a short story (possibly arc) where barbarian and accomplice freed slaves
negative_passages.docid: 141350
negative_passages.text: Who is/was the author of
negative_passages.docid: 98607
negative_passages.text: What is this sand covered insect?