What is the longest book ever written?
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The book  The Cat in the Hat '' is categorised as  Books by John Cleese ''.
The book :Books by John Cleese is an example of the Wikimedia category , which can be categorised as an alternative to the previously discovered entity : The unknown entity .
What is the longest book ever written?</s>The [unused1]None                [unused2] book
What is the longest book ever written?</s>The book  The Cat in the Hat '' is categorised as  Books by John Cleese ''.
What is the longest book ever written?</s>The [unused1]None                [unused2] book
What is the longest book ever written?</s>The book :Books by John Cleese is an example of the Wikimedia category , which can be categorised as an alternative to the previously discovered entity : The unknown entity .
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What is the longest book ever written?</s>Wikimedia category,0,Wikimedia category,Wikimedia category,0,book,Wikimedia category,0,Category:Books by John Cleese,Wikimedia category,0,None,book,0,Wikimedia category,book,0,book,book,0,Category:Books by John Cleese,book,0,None,Category:Books by John Cleese,instance of,Wikimedia category,Category:Books by John Cleese,category combines topics,book,Category:Books by John Cleese,0,Category:Books by John Cleese,Category:Books by John Cleese,0,None,None,instance of,Wikimedia category,None,0,book,None,0,Category:Books by John Cleese,None,0,None