Question: Which of the following animals are marine mammals: Human, Dog, Bonobos, Cat, Bats, Whale shark, Bears, Orangutans, Great white shark, Lion, Ocean sunfish, Koala, Cheetah, Beluga sturgeon, Orca, Gorillas, Camel, Hamsters, Lemurs, Blue whale, Chimpanzee
Complexity rating: 0.9