A down can be closed.Logical formLearned from5 sentences. A (vent system) can be closed.Logical formLearned from5 sentences. Cooperatives can be closed.Logical formLearned from5 sentences. A classification can be closed.Logical formLearned from5 sentences. A door of an office can be closed.Logical formLearned from5 sentences. Cliques can be closed.Logical formLearned from5 sentences. Boxes can be closed.Logical formLearned from5 sentences. A (plane curve) can be closed.Logical formLearned from5 sentences. (Poultry houses) can be closed.Logical formLearned from5 sentences. A record may remain closed.Logical formLearned from5 sentences. A sort can be closed.Logical formLearned from5 sentences. A greenhouse can be closed.Logical formLearned from5 sentences. A discharge can be closed.Logical formLearned from5 sentences. (Growth plates) can be closed.Logical formLearned from5 sentences. Apartments can be closed.Logical formLearned from5 sentences.