An (exchange student) can be at a school.Logical formLearned from27 sentences. (Exchange rates) may be set_uped in 1940s.Logical formLearned from27 sentences. A commitment can be to an (exchange rate).Logical formLearned from27 sentences. Exchanges may start.Logical formLearned from27 sentences. A (prisoner exchange deal) can be with a militia.Logical formLearned from27 sentences. An (exchange rate) can be steady.Logical formLearned from27 sentences. Remarks may undergo an exchange.Logical formLearned from27 sentences. Competition can be from exchanges.Logical formLearned from27 sentences. (Minority tamils) can be in exchange.Logical formLearned from27 sentences. Exchanges may begin.Logical formLearned from26 sentences. (Exchange rate policies) may pertain-to a country.Logical formLearned from26 sentences. Exchanges can be between parliaments.Logical formLearned from26 sentences. Effective (exchange rates) may move.Logical formLearned from26 sentences. Exchanges can be between some parliaments.Logical formLearned from26 sentences. Exchange may undergo a development.Logical formLearned from26 sentences.