141404
The tests were performed with 1/8 inch ( 3.2 mm ) spheres of radioactive lanthanum , equal to about 100 curie ( Ci ) and later 1000 Ci , located in the center of a simulated nuclear device .
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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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