Shelves can be in a library.Logical formLearned from13 sentences. An addition can be to a shelf.Logical formLearned from13 sentences. A continental shelf can be between a country.Logical formLearned from13 sentences. A natural gas can be on a shelf.Logical formLearned from13 sentences. Square miles may pertain-to a shelf.Logical formLearned from13 sentences. Shelf can be stable.Logical formLearned from13 sentences. A shelf may gather dust.Logical formLearned from13 sentences. Shelves can be in a (reading room).Logical formLearned from13 sentences. Shelf can be ready.Logical formLearned from13 sentences. A shelf may undergo a disintegration.Logical formLearned from13 sentences. (Storm surge values) can be dependent on a slope of a continental shelf.Logical formLearned from13 sentences. (Supermarket shelves) can be empty.Logical formLearned from13 sentences. Shelves may pertain-to a pantry.Logical formLearned from13 sentences. Shelves can be in a month.Logical formLearned from13 sentences. A person may make a shelf.Logical formLearned from13 sentences.