Exchange can be for agreement.Logical formLearned from42 sentences. A president may pertain-to an exchange.Logical formLearned from42 sentences. Security can be in exchange.Logical formLearned from42 sentences. Ransom can be in exchange.Logical formLearned from42 sentences. Exchange can be for influence.Logical formLearned from42 sentences. Ties can be in exchange.Logical formLearned from42 sentences. Exchange can be for hard currency.Logical formLearned from42 sentences. A (stock exchange sensex index) may pertain-to a world-city.Logical formLearned from42 sentences. Exchange can be for an (aid package).Logical formLearned from42 sentences. Exchanges can be broad.Logical formLearned from42 sentences. Direct exchanges can be constituted-of-or-filled-with mail.Logical formLearned from42 sentences. Exchanges can be important.Logical formLearned from42 sentences. Technologies may undergo an exchange.Logical formLearned from41 sentences. Rupiah may undergo an (exchange rate).Logical formLearned from41 sentences. Delegations may undergo exchanges.Logical formLearned from41 sentences.