Qatar and Oman are members of the Gulf Cooperation Council, GCC, which also groups Saudi Arabia, Kuwait, Bahrain and the United Arab Emirates (UAE).
Qatar and Oman are brothers.
( z1 have-rel-role :ARG0 ( z2 country :name ( z3 name :op "Qatar" ) ) :ARG1 ( z4 country :name ( z5 name :op "Oman" ) ) :ARG2 ( z6 brother ) :ARG3 ( z7 brother ) )