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 will leave the GCC.
( z1 leave :ARG0 ( z2 country :name ( z3 name :op "Saudi" :op "Arabia" ) ) :ARG1 ( z4 organization :name ( z5 name :op "GCC" ) ) )