54069
It was this type of derivative that investment magnate Warren Buffett referred to in his famous 2002 speech in which he warned against " financial weapons of mass destruction " .
 Warren Buffett
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 Warren Buffett