4853
Imagine a child picking up ivory and wondering where it came from - we must stop this trade , writes @ mrevgenylebedev http://t.co/ApzfbvIBou
 mrevgenylebedev
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 mrevgenylebedev