Crystals may dissolve.Logical formLearned from11 sentences. Crystals can be modulated.Logical formLearned from11 sentences. A (crystal structure) can be regular.Logical formLearned from11 sentences. Crystal may undergo a collection.Logical formLearned from11 sentences. Crystals can be volcanic.Logical formLearned from11 sentences. A crystal can be three-dimensional.Logical formLearned from11 sentences. Atoms can be in a (crystal lattice).Logical formLearned from11 sentences. A form may pertain-to a crystal.Logical formLearned from11 sentences. A (crystal ball) can be famous.Logical formLearned from11 sentences. A (crystal ball) can be on the economy.Logical formLearned from11 sentences. A mineral can be similar to crystals.Logical formLearned from11 sentences. Crystals may be dissolved.Logical formLearned from10 sentences. A crystal can be cracked.Logical formLearned from10 sentences. The temperature may pertain-to a crystal.Logical formLearned from10 sentences. Crystals may pertain-to a world-city.Logical formLearned from10 sentences.