A referendum may be called by a president.Logical formLearned from21 sentences. A vote may turn into a referendum.Logical formLearned from21 sentences. A referendum can be a test.Logical formLearned from21 sentences. Referendum can be on new constitution.Logical formLearned from21 sentences. A referendum can be within some months.Logical formLearned from21 sentences. A vote can be in a referendum.Logical formLearned from21 sentences. A referendum may begin.Logical formLearned from21 sentences. Referendums may be approved.Logical formLearned from21 sentences. A referendum may undergo an implementation.Logical formLearned from21 sentences. A referendum may disrupt (peace efforts).Logical formLearned from21 sentences. A referendum can be credible.Logical formLearned from21 sentences. A referendum can be meaningless.Logical formLearned from21 sentences. A constitution may be approved in a referendum.Logical formLearned from21 sentences. A country may prepare for a referendum.Logical formLearned from21 sentences. A referendum may undergo importance.Logical formLearned from20 sentences.