Residents may vote in a referendum.Logical formLearned from31 sentences. A resolution may call for a referendum.Logical formLearned from31 sentences. Advance may pertain-to a referendum.Logical formLearned from31 sentences. A referendum may pertain-to a president.Logical formLearned from31 sentences. A purpose may pertain-to a referendum.Logical formLearned from31 sentences. Some percent can be in a referendum.Logical formLearned from31 sentences. A country may hold referendums.Logical formLearned from31 sentences. A referendum may continue.Logical formLearned from31 sentences. A world-city may vote in a referendum.Logical formLearned from31 sentences. Approval can be in some referendum.Logical formLearned from31 sentences. A country may vote in a referendum.Logical formLearned from31 sentences. A referendum can be unnecessary.Logical formLearned from31 sentences. An election can be a referendum.Logical formLearned from31 sentences. A world-city may hold a referendum.Logical formLearned from31 sentences. A referendum may be approved.Logical formLearned from31 sentences.