A (state diamond company) may pertain-to a country.Logical formLearned from7 sentences. A (diamond exchange) can be a proof.Logical formLearned from7 sentences. A (diamond giant) can be international.Logical formLearned from7 sentences. Diamonds can be with rebels.Logical formLearned from7 sentences. Diamonds can be from (conflict zones).Logical formLearned from7 sentences. (Blood diamonds) can be from a country.Logical formLearned from7 sentences. (Conflict diamonds) can be illegal.Logical formLearned from7 sentences. Some diamonds may be set on a back of a case.Logical formLearned from7 sentences. A retailer may prove an origin of diamonds on sale.Logical formLearned from7 sentences. A queen may place some crown of diamonds on a head.Logical formLearned from7 sentences. A ban can be on a (diamond trade).Logical formLearned from7 sentences. A value may pertain-to diamonds.Logical formLearned from7 sentences. Sanctions can be on (conflict diamonds).Logical formLearned from7 sentences. Residents of (diamond fields) may talk of rebels.Logical formLearned from7 sentences. Residents may pertain-to (diamond fields).Logical formLearned from7 sentences.