Shark can be a shark.Logical formLearned from4 sentences. A shark can be accursed.Logical formLearned from4 sentences. A name can be a shark.Logical formLearned from4 sentences. A shark can be angry.Logical formLearned from4 sentences. (Shark cartilage) may cure cancer.Logical formLearned from4 sentences. A stop can be a shark.Logical formLearned from4 sentences. Creatures can be (nurse sharks).Logical formLearned from4 sentences. Sharks may pertain-to an underworld.Logical formLearned from4 sentences. Sharks may eat a male.Logical formLearned from4 sentences. Prey can be to sharks.Logical formLearned from4 sentences. Scientists may study sharks.Logical formLearned from4 sentences. (Whale sharks) can be gentle.Logical formLearned from4 sentences. A shark may be tagged.Logical formLearned from4 sentences. A shark may pump water.Logical formLearned from4 sentences. Sharks may breed.Logical formLearned from4 sentences.