Some (border crossings) may remain closed.Logical formLearned from4 sentences. Economic models can be closed.Logical formLearned from4 sentences. A bureaucracy can be closed.Logical formLearned from4 sentences. A canopy may be seen closed.Logical formLearned from4 sentences. A learner can be closed.Logical formLearned from4 sentences. (Fishing grounds) can be closed.Logical formLearned from4 sentences. Access can be to closed areas.Logical formLearned from4 sentences. A closed meeting can be hourlong.Logical formLearned from4 sentences. A world can be closed.Logical formLearned from4 sentences. Closed session may be expected.Logical formLearned from4 sentences. A (typing book) may zip closed.Logical formLearned from4 sentences. A sleigh can be closed.Logical formLearned from4 sentences. A male can be after appearing before a closed session of a conference.Logical formLearned from4 sentences. Roofs may stay closed.Logical formLearned from4 sentences. A judiciary-committee may meet in closed session.Logical formLearned from4 sentences.