Diamonds can be black-market.Logical formLearned from25 sentences. Diamonds may be sold.Logical formLearned from25 sentences. Diamonds may be smuggled.Logical formLearned from25 sentences. A (diamond trading center) may pertain-to the world.Logical formLearned from25 sentences. A (diamond trading) can be illegal.Logical formLearned from24 sentences. A diamond can be raw.Logical formLearned from24 sentences. A diamond can be solid.Logical formLearned from24 sentences. Diamond can be in a country.Logical formLearned from24 sentences. (Diamond earrings) may pertain-to a person.Logical formLearned from24 sentences. Diamonds can be in the world.Logical formLearned from24 sentences. A (touch diamond) may pertain-to a person.Logical formLearned from24 sentences. A total can be constituted-of-or-filled-with some diamonds.Logical formLearned from24 sentences. Diamonds can be unpolished.Logical formLearned from24 sentences. A percent may pertain-to a (diamond production).Logical formLearned from24 sentences. A (diamond mine) can be in the world.Logical formLearned from24 sentences.