1640
" The members expressed their concern about the maintenance of the peace process and they urged that no action be taken that would have a negative impact on the negotiations , " Eitel said after an informal council session .
 person: Eitel
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, else, organization, person 
Text: {0} 
Answer:
 person: Eitel