3040
Last positions of #MH17 directly from Flightradar 24 database . Signal was lost around 13 : 21 UTC at 33 , 000 feet . http://t.co/6gz8ECoJxI
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
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