A (city zoo) may pertain-to a world-city.Logical formLearned from21 sentences. Gates may pertain-to a zoo.Logical formLearned from21 sentences. Zoos can be in a continent.Logical formLearned from21 sentences. (Panda cub) may be born at zoo.Logical formLearned from21 sentences. A zoo can be free.Logical formLearned from21 sentences. A zoo may pertain-to a park.Logical formLearned from21 sentences. A (video feed) can be at zoo.Logical formLearned from21 sentences. Persons may take kids to a zoo.Logical formLearned from21 sentences. A management may pertain-to a zoo.Logical formLearned from21 sentences. Pandas can be at a zoo.Logical formLearned from21 sentences. Mammals can be at a zoo.Logical formLearned from21 sentences. (Zoo animals) may pertain-to a US-city.Logical formLearned from21 sentences. A zoo can be in a capital.Logical formLearned from21 sentences. A zoo may open an aviary.Logical formLearned from21 sentences. A center may pertain-to a zoo.Logical formLearned from21 sentences.