Gems may undergo a selection.Logical formLearned from16 sentences. A movie can be a gem.Logical formLearned from16 sentences. (Touch groups) can be constituted-of-or-filled-with gems.Logical formLearned from16 sentences. Gems can be secret.Logical formLearned from16 sentences. A performance can be a gem.Logical formLearned from16 sentences. A gem can be popular.Logical formLearned from16 sentences. Some gems can be constituted-of-or-filled-with wisdom.Logical formLearned from16 sentences. Gems can be sparkly.Logical formLearned from16 sentences. Gems can be unpolished.Logical formLearned from16 sentences. Exports can be constituted-of-or-filled-with gems.Logical formLearned from16 sentences. A fortune can be in gems.Logical formLearned from16 sentences. A gem can be ecological.Logical formLearned from16 sentences. Some (mining areas) can be under gem.Logical formLearned from15 sentences. A trade can be in gems.Logical formLearned from15 sentences. A gem can be engraved.Logical formLearned from15 sentences.