2179
The officials , who spoke on condition of anonymity , stressed that a variety of options are on the table and they all depend on the outcome of a U . N . Security Council debate on the U . S . - backed war resolution .
 U . S, U . N . Security Council, The officials, who
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: organization, person, geographical social political, vehicle, location, weapon, facility 
Text: {0} 
Answer:
 U . S, U . N . Security Council, The officials, who