A neighbor can be closed.Logical formLearned from4 sentences. An (unit system) can be closed.Logical formLearned from4 sentences. Skeptics can be closed.Logical formLearned from4 sentences. An (aquaculture system) can be closed.Logical formLearned from4 sentences. Automobiles can be closed.Logical formLearned from4 sentences. A freezer can be closed.Logical formLearned from4 sentences. Research can be closed.Logical formLearned from4 sentences. A flue can be closed.Logical formLearned from4 sentences. Television can be closed.Logical formLearned from4 sentences. Political structures can be closed.Logical formLearned from4 sentences. (Residence halls) can be closed.Logical formLearned from4 sentences. Options can be closed.Logical formLearned from4 sentences. Venetian blinds can be closed.Logical formLearned from4 sentences. Contexts can be closed.Logical formLearned from4 sentences. Closed systems may work.Logical formLearned from4 sentences.