An (exchange rate) may undergo a strengthening.Logical formLearned from20 sentences. An exchange can be with a US-president.Logical formLearned from20 sentences. A (nikkei-225 index) may pertain-to an exchange.Logical formLearned from20 sentences. (Exchange rates) may undergo a mention.Logical formLearned from20 sentences. Exchanges can be between a government.Logical formLearned from20 sentences. (Exchange rates) may undergo a stabilization.Logical formLearned from20 sentences. A (stock exchange) can be planned.Logical formLearned from20 sentences. (Artillery exchanges) can be fierce.Logical formLearned from20 sentences. Exchange can be for fighters.Logical formLearned from20 sentences. (Exchange rates) may change.Logical formLearned from20 sentences. Exchanges may flourish.Logical formLearned from19 sentences. (Exchange programs) can be bilateral.Logical formLearned from19 sentences. Some countries may promote exchanges.Logical formLearned from19 sentences. Exchange can be for a green light.Logical formLearned from19 sentences. Exchanges can be between cultures.Logical formLearned from19 sentences.