Qatar and Oman are members of the Gulf Cooperation Council, GCC, which also groups Saudi Arabia, Kuwait, Bahrain and the United Arab Emirates (UAE).
No more countries will be allowed into the Gulf Cooperation Council.
( z1 allow :polarity - :ARG1 ( z2 enter :ARG0 ( z3 country :quant ( z4 more ) ) :ARG1 ( z5 organization :name ( z6 name :op "Gulf" :op "Cooperation" :op "Council" ) ) ) )