Gates to hell can be closed.Logical formLearned from3 sentences. A half-ray can be closed.Logical formLearned from3 sentences. An aquarium may remain closed.Logical formLearned from3 sentences. A dimer can be closed.Logical formLearned from3 sentences. Biospheres can be closed.Logical formLearned from3 sentences. Some (branch offices) can be closed.Logical formLearned from3 sentences. A chanter can be closed.Logical formLearned from3 sentences. Extensions can be closed.Logical formLearned from3 sentences. Care can be closed.Logical formLearned from3 sentences. Some chapters can be closed.Logical formLearned from3 sentences. A (course speed record) can be closed.Logical formLearned from3 sentences. Closed sets may undergo an intersection.Logical formLearned from3 sentences. An (office building) can be closed.Logical formLearned from3 sentences. A decipherment of a script can be closed.Logical formLearned from3 sentences. (Knowledge bases) can be closed.Logical formLearned from3 sentences.