Greece objects to the neighbouring Skopje government using the name Macedonia, saying it implies claims on a Greek province of the same name.
Greece starts with a G
Greece obviously starts with a G, I really don't see why the model got confused.
( z1 start :ARG1 ( z2 country :name ( z3 name :op "Greece" ) ) :ARG2 ( z4 string-entity :value "G" ) )