A trip can be to a border.Logical formLearned from56 sentences. A (border area) can be between a country.Logical formLearned from56 sentences. A (border area) can be tense.Logical formLearned from56 sentences. A district can be on a border.Logical formLearned from56 sentences. Cooperation can be on (border security).Logical formLearned from56 sentences. A (border policy) can be open.Logical formLearned from56 sentences. Rockets can be across a border.Logical formLearned from56 sentences. Russian (border guards) can be in a country.Logical formLearned from56 sentences. Sections may pertain-to a border.Logical formLearned from56 sentences. A force can be on a border.Logical formLearned from55 sentences. Route can be to a border.Logical formLearned from55 sentences. A location can be on a border.Logical formLearned from55 sentences. A (border security) can be improved.Logical formLearned from55 sentences. (Border crossings) can be with a country.Logical formLearned from55 sentences. A train may cross a border.Logical formLearned from55 sentences.