A border can be contentious.Logical formLearned from59 sentences. A border may undergo protection.Logical formLearned from59 sentences. A (border region) may pertain-to a company.Logical formLearned from59 sentences. (Border guards) may pertain-to persons.Logical formLearned from59 sentences. A country may control a border.Logical formLearned from59 sentences. Persons may have a maritime border.Logical formLearned from59 sentences. Borders can be arbitrary.Logical formLearned from59 sentences. Persons may cross borders.Logical formLearned from59 sentences. Persons may get to a border.Logical formLearned from59 sentences. A border may pertain-to a village.Logical formLearned from59 sentences. A country may shut a border with a country.Logical formLearned from59 sentences. A border can be between a world-city.Logical formLearned from59 sentences. A (border region) can be between a country.Logical formLearned from59 sentences. Peace can be with open borders.Logical formLearned from59 sentences. A (maritime border) can be tense.Logical formLearned from58 sentences.