An exchange can be between some countries.Logical formLearned from104 sentences. An (exchange rate) may remain stable.Logical formLearned from104 sentences. An operator may pertain-to a (stock exchange).Logical formLearned from104 sentences. Exchange can be for a chance.Logical formLearned from104 sentences. Exchange can be for territory.Logical formLearned from104 sentences. A flexibility may pertain-to an (exchange rate).Logical formLearned from104 sentences. Populations may undergo an exchange.Logical formLearned from104 sentences. Exchanges can be harsh.Logical formLearned from104 sentences. (Stock exchanges) can be in a world-city.Logical formLearned from103 sentences. Value may undergo an exchange.Logical formLearned from103 sentences. Exchanges can be residential.Logical formLearned from103 sentences. President may pertain-to an exchange.Logical formLearned from102 sentences. Exchange can be for an opportunity.Logical formLearned from102 sentences. Charges can be in exchange.Logical formLearned from102 sentences. Companies may be listed on an exchange.Logical formLearned from102 sentences.