If Argentina joins the alliance, Brazil and Chile will boycott the alliance. If Brazil and Chile have one country boycott the alliance, then the alliance will exist in name only, and the alliance will not exist in name. Can it be derived from this text? ['Brazil does not participate in the alliance.', 'Brazil joins the alliance.', 'At least one of Chile or Brazil is not a member of the Union.', 'Argentina does not participate in the alliance.']