Voting can be in a referendum.Logical formLearned from26 sentences. A referendum can be on a sovereignty.Logical formLearned from26 sentences. A referendum can be within some days.Logical formLearned from25 sentences. A referendum may end.Logical formLearned from25 sentences. A referendum can be before an election.Logical formLearned from25 sentences. A question may be puted to a referendum.Logical formLearned from25 sentences. A referendum can be required.Logical formLearned from25 sentences. A referendum may be proposed by a leader.Logical formLearned from25 sentences. A campaign can be a referendum.Logical formLearned from25 sentences. A language may pertain-to a referendum.Logical formLearned from25 sentences. A referendum can be on a president.Logical formLearned from25 sentences. A referendum can be on himself.Logical formLearned from25 sentences. A referendum can be formal.Logical formLearned from25 sentences. The right can be to a referendum.Logical formLearned from25 sentences. Results of a referendum may be announced.Logical formLearned from25 sentences.