A lighthouse can be closed.Logical formLearned from3 sentences. A dock can be closed.Logical formLearned from3 sentences. A crate can be closed.Logical formLearned from3 sentences. A racetrack can be closed.Logical formLearned from3 sentences. Covers can be closed.Logical formLearned from3 sentences. A topologist can be closed.Logical formLearned from3 sentences. A priory can be closed.Logical formLearned from3 sentences. A membership can be closed.Logical formLearned from3 sentences. A (settlement area) can be closed.Logical formLearned from3 sentences. A fluid may follow a closed loop.Logical formLearned from3 sentences. A (rail switch) can be closed.Logical formLearned from3 sentences. Some sides can be closed.Logical formLearned from3 sentences. Contacts can be closed.Logical formLearned from3 sentences. A closed subset may pertain-to a complex plane.Logical formLearned from3 sentences. Variations can be closed.Logical formLearned from3 sentences.