A (diamond industry) can be a positive force.Logical formLearned from4 sentences. Some pieces can be constituted-of-or-filled-with diamond.Logical formLearned from4 sentences. A discovery of diamonds may spur wealth.Logical formLearned from4 sentences. (Diamond producers) can be in the world.Logical formLearned from4 sentences. A center can be for diamonds.Logical formLearned from4 sentences. (Conflict diamonds) may enter a trade.Logical formLearned from4 sentences. Exports can be constituted-of-or-filled-with rough diamond.Logical formLearned from4 sentences. Diamond may undergo a nucleation.Logical formLearned from4 sentences. A (diamond sector) may pertain-to a country.Logical formLearned from4 sentences. A demand can be for diamond.Logical formLearned from4 sentences. A ban can be on (diamond mining).Logical formLearned from4 sentences. (Consumer demand) can be for diamonds.Logical formLearned from4 sentences. A diamond may pertain-to a nation.Logical formLearned from4 sentences. (Diamond sales) can be by rebels.Logical formLearned from4 sentences. An embargo can be on an export of diamonds.Logical formLearned from4 sentences.