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The Lorenz attractor is perhaps one of the best-known chaotic system diagrams , probably because it is not only one of the first , but it is also one of the most complex , and as such gives rise to a very interesting pattern that , with a little imagination , looks like the wings of a butterfly .
 Lorenz
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Lorenz