Layers can be younger.Logical formLearned from37 sentences. Layers can be constituted-of-or-filled-with cement.Logical formLearned from37 sentences. A layer can be healthy.Logical formLearned from37 sentences. Layers may pertain-to a population.Logical formLearned from37 sentences. Layers can be constituted-of-or-filled-with thickness.Logical formLearned from36 sentences. Layers may pertain-to a crust.Logical formLearned from36 sentences. Layers can be constituted-of-or-filled-with images.Logical formLearned from36 sentences. Some layer can be constituted-of-or-filled-with skin.Logical formLearned from36 sentences. Some layers can be constituted-of-or-filled-with film.Logical formLearned from36 sentences. A layer can be constituted-of-or-filled-with polymer.Logical formLearned from36 sentences. A top may pertain-to layers.Logical formLearned from36 sentences. Layers can be liquid.Logical formLearned from36 sentences. A layer can be visible.Logical formLearned from36 sentences. Layers may pertain-to a life.Logical formLearned from36 sentences. Some layers can be constituted-of-or-filled-with insulation.Logical formLearned from36 sentences.