Egypt, Syria and the members of the Gulf Cooperation Council, namely Bahrain, Kuwait, Oman, Qatar, Saudi Arabia and the United Arab Emirates, signed the Damascus Declaration after the 1991 Gulf War to create a mechanism aimed at guaranteeing security in the Gulf region.

Based on that paragraph can we conclude that this sentence is true?
Bahrain, Kuwait, Oman, Qatar, Saudi Arabia and the UAE are the only countries in the Gulf Cooperation Council.

Available choices: + Yes; + It's impossible to say; + No;