A shelf can be shared.Logical formLearned from6 sentences. A shelf can be plain.Logical formLearned from6 sentences. Some (ice shelves) may retreat.Logical formLearned from6 sentences. Waters may pertain-to a shelf.Logical formLearned from6 sentences. A shelf can be in waters.Logical formLearned from6 sentences. Shelves can be permanent.Logical formLearned from6 sentences. A (shelf life) may pertain-to a produce.Logical formLearned from6 sentences. Some weeks can be on a shelf.Logical formLearned from6 sentences. Books may stand on shelves of a cottage.Logical formLearned from6 sentences. (Shelf life) may undergo an extension.Logical formLearned from6 sentences. A shelf may undergo a fracturing.Logical formLearned from6 sentences. Leases can be on a shelf.Logical formLearned from6 sentences. Sections may pertain-to a shelf.Logical formLearned from6 sentences. (Grocery store shelves) may go bare.Logical formLearned from6 sentences. A shelf may pertain-to an island.Logical formLearned from6 sentences.