180114
The aim of the " Grenelle Environment Round Table " ( as it might be called in English ) , instigated by the former President of France , Nicolas Sarkozy in the summer of 2007 , is to define the key points of public policy on ecological and sustainable development issues over the following five-year period .
 Grenelle, Nicolas Sarkozy
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Grenelle, Nicolas Sarkozy