Qatar and Oman are members of the Gulf Cooperation Council, GCC, which also groups Saudi Arabia, Kuwait, Bahrain and the United Arab Emirates (UAE).
Saudi Arabia is a member of the Gulf Cooperation Council
( z1 have-org-role :ARG0 ( z2 country :name ( z3 name :op "Saudi" :op "Arabia" ) ) :ARG1 ( z4 organization :name ( z5 name :op "Gulf" :op "Cooperation" :op "Council" ) ) :ARG2 ( z6 member ) )