Positions can be on a border.Logical formLearned from50 sentences. A spokesman can be for (border guards).Logical formLearned from50 sentences. Some troops may mass on a border.Logical formLearned from50 sentences. A country may occupy a (border strip).Logical formLearned from50 sentences. Borders can be soviet.Logical formLearned from50 sentences. (Border controls) can be effective.Logical formLearned from50 sentences. A (border conflict) can be between a country.Logical formLearned from49 sentences. Borders can be with countries.Logical formLearned from49 sentences. Borders may pertain-to a commune.Logical formLearned from49 sentences. Borders may pertain-to republics.Logical formLearned from49 sentences. A border can be solid.Logical formLearned from49 sentences. Sides may pertain-to an international border.Logical formLearned from49 sentences. National borders may be changed.Logical formLearned from49 sentences. A nature may pertain-to a border.Logical formLearned from49 sentences. Access can be to a border.Logical formLearned from49 sentences.