A (diamond embargo) may kick into force.Logical formLearned from16 sentences. (Diamond workers) can be in a factory.Logical formLearned from16 sentences. (Diamond workers) may crowd into a stairwell.Logical formLearned from16 sentences. (Diamond sales) can be illegal.Logical formLearned from16 sentences. A political-leader may cut across a diamond.Logical formLearned from16 sentences. A male may retain control of (diamond mines).Logical formLearned from16 sentences. A (diamond capital) may pertain-to a country.Logical formLearned from16 sentences. A (diamond capital) may pertain-to a country.Logical formLearned from16 sentences. A (diamond exchange) may pertain-to a world-city.Logical formLearned from16 sentences. A civil war may be fuelled by (blood diamonds).Logical formLearned from16 sentences. A (diamond producer) can be in the world.Logical formLearned from15 sentences. (Trading weapons) can be for diamonds.Logical formLearned from15 sentences. Diamonds may undergo a theft.Logical formLearned from15 sentences. A male may join (& diamonds).Logical formLearned from15 sentences. (Diamond mines) can be in a country.Logical formLearned from15 sentences.