A lead can be over a continent.Logical formLearned from46 sentences. (Missile defense plans) can be in a continent.Logical formLearned from46 sentences. Agriculture may pertain-to a continent.Logical formLearned from46 sentences. A decline can be in a continent.Logical formLearned from46 sentences. (Air traffic) can be in a continent.Logical formLearned from46 sentences. Persons may be seen in a continent.Logical formLearned from46 sentences. Tribes can be in a continent.Logical formLearned from46 sentences. Moves can be in a continent.Logical formLearned from46 sentences. An (airline group) may pertain-to a continent.Logical formLearned from46 sentences. Organizations may pertain-to a continent.Logical formLearned from46 sentences. Persons may share a continent.Logical formLearned from46 sentences. A force may pertain-to a continent.Logical formLearned from46 sentences. An uproar can be in a continent.Logical formLearned from46 sentences. Routes can be between a continent.Logical formLearned from46 sentences. A (fishing fleet) may pertain-to a continent.Logical formLearned from46 sentences.