A shelf may collapse.Logical formLearned from16 sentences. A shelf may pertain-to books.Logical formLearned from16 sentences. Some (clearance items) may have a (shelf life).Logical formLearned from16 sentences. Shelves can be simple.Logical formLearned from16 sentences. A person may peruse shelves.Logical formLearned from16 sentences. (Grocery shelves) may pertain-to a country.Logical formLearned from16 sentences. A shelf can be in a kitchen.Logical formLearned from16 sentences. A shelf can be simple.Logical formLearned from16 sentences. Hfcs may extend a (shelf life) of foods.Logical formLearned from16 sentences. An (article shelf) can be at a chutzpah.Logical formLearned from16 sentences. Shelves may pertain-to an office.Logical formLearned from16 sentences. A product can be on shelves.Logical formLearned from16 sentences. A (home theater shelf component system) may offer a system.Logical formLearned from16 sentences. Shelves may pertain-to a bookcase.Logical formLearned from16 sentences. Some set can be constituted-of-or-filled-with shelves.Logical formLearned from16 sentences.