A (diamond mine) may undergo an opening.Logical formLearned from5 sentences. Diamonds can be false.Logical formLearned from5 sentences. Diamonds can be dark.Logical formLearned from5 sentences. Segments may pertain-to a (diamond industry).Logical formLearned from5 sentences. A (certification system) can be for rough diamonds.Logical formLearned from5 sentences. A (diamond film coating) can be suitable for producing coatings.Logical formLearned from5 sentences. A (baseball diamond) may pertain-to persons.Logical formLearned from5 sentences. A (diamond necklace) can be superb.Logical formLearned from5 sentences. A (diamond technology) can be synthetic.Logical formLearned from5 sentences. A (diamond film) can be smooth.Logical formLearned from5 sentences. A (diamond film) may deposit on metals.Logical formLearned from5 sentences. A version may pertain-to diamonds.Logical formLearned from5 sentences. A diamond can be white.Logical formLearned from5 sentences. Diamonds may pertain-to a mother.Logical formLearned from5 sentences. Diamonds may catch a light.Logical formLearned from5 sentences.