An and/or can be closed.Logical formLearned from9 sentences. An institute can be closed.Logical formLearned from9 sentences. A campground can be closed.Logical formLearned from9 sentences. Gaps can be closed.Logical formLearned from9 sentences. Staircases can be closed.Logical formLearned from9 sentences. A (railway line) can be closed.Logical formLearned from9 sentences. A ring can be closed.Logical formLearned from9 sentences. Switches can be closed.Logical formLearned from9 sentences. A registry can be closed.Logical formLearned from9 sentences. Traffic can be closed.Logical formLearned from9 sentences. Forms can be closed.Logical formLearned from9 sentences. A stomata can be closed.Logical formLearned from9 sentences. Subsets can be closed.Logical formLearned from9 sentences. Some elementary schools can be closed.Logical formLearned from9 sentences. Injuries can be closed.Logical formLearned from9 sentences.