A layer may undergo a formation.Logical formLearned from72 sentences. A layer can be horizontal.Logical formLearned from72 sentences. A layer can be constituted-of-or-filled-with oxide.Logical formLearned from72 sentences. A layer can be color.Logical formLearned from72 sentences. Layers can be stratified.Logical formLearned from72 sentences. Layers can be constituted-of-or-filled-with metaphor.Logical formLearned from72 sentences. Layers can be constituted-of-or-filled-with government.Logical formLearned from72 sentences. A layer may pertain-to skin.Logical formLearned from72 sentences. A layer may pertain-to a brain.Logical formLearned from72 sentences. A layer can be constituted-of-or-filled-with topsoil.Logical formLearned from72 sentences. A layer can be constituted-of-or-filled-with aluminum.Logical formLearned from72 sentences. Layers can be constituted-of-or-filled-with insulation.Logical formLearned from71 sentences. A layer can be constituted-of-or-filled-with liquid crystal.Logical formLearned from71 sentences. A layer can be constituted-of-or-filled-with connective tissue.Logical formLearned from71 sentences. A layer can be weak.Logical formLearned from70 sentences.