A military airfield can be closed.Logical formLearned from3 sentences. Fences can be closed.Logical formLearned from3 sentences. A closed loop can be constituted-of-or-filled-with string.Logical formLearned from3 sentences. A knot can be a closed curve.Logical formLearned from3 sentences. A (carbon cycle) can be closed.Logical formLearned from3 sentences. A number of (banana plantations) can be closed.Logical formLearned from3 sentences. A hearing may be declared closed.Logical formLearned from3 sentences. A monastery can be closed.Logical formLearned from3 sentences. Warehouses can be closed.Logical formLearned from3 sentences. An equivalent can be closed.Logical formLearned from3 sentences. A vagina can be closed.Logical formLearned from3 sentences. A (police state) can be closed.Logical formLearned from3 sentences. A war can be closed.Logical formLearned from3 sentences. A nostril can be closed.Logical formLearned from3 sentences. (Meeting rooms) can be closed.Logical formLearned from3 sentences.