9399
Index heavyweights Elf and Rhone Poulenc both ended slightly weaker while active Eurotunnel was unchanged on nearly a million shares traded .
 Eurotunnel, Elf, Rhone Poulenc
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, else, organization, person 
Text: {0} 
Answer:
 Eurotunnel, Elf, Rhone Poulenc