Exchange can be for (energy aid).Logical formLearned from550 sentences. Exchange can be for favors.Logical formLearned from546 sentences. Exchange can be for (security guarantees).Logical formLearned from542 sentences. Money may undergo an exchange.Logical formLearned from540 sentences. Exchange can be for cooperation.Logical formLearned from538 sentences. Exchange can be for economic aid.Logical formLearned from537 sentences. Opinions may undergo an exchange.Logical formLearned from527 sentences. Exchanges can be civilian.Logical formLearned from526 sentences. (Exchange rates) can be flexible.Logical formLearned from517 sentences. Messages may undergo an exchange.Logical formLearned from509 sentences. Bills can be constituted-of-or-filled-with exchange.Logical formLearned from505 sentences. Exchanges can be sharp.Logical formLearned from503 sentences. Exchanges can be diplomatic.Logical formLearned from502 sentences. Exchanges can be regular.Logical formLearned from498 sentences. Exchanges may pertain-to a world-city.Logical formLearned from491 sentences.