Qatar and Oman are members of the Gulf Cooperation Council, GCC, which also groups Saudi Arabia, Kuwait, Bahrain and the United Arab Emirates (UAE).
The GCC will last 100 years.
( z1 last :ARG1 ( z2 organization :name ( z3 name :op "GCC" ) ) :ARG2 ( z4 temporal-quantity :quant 100 :unit ( z5 year ) ) )