A shark may pertain-to (family heterodontidaes).Logical formLearned from2 sentences. A shark may reach a length.Logical formLearned from2 sentences. Sharks may have eyelids.Logical formLearned from2 sentences. A (sharpnose shark) can be a shark of a family.Logical formLearned from2 sentences. Sharks can be a team.Logical formLearned from2 sentences. A (sharpnose shark) can be a shark of (family carcharhinidaes).Logical formLearned from2 sentences. Sharks may undergo a decimation.Logical formLearned from2 sentences. Sharks can be within a range.Logical formLearned from2 sentences. A shark may be prey_uponed by sharks.Logical formLearned from2 sentences. Relationships may pertain-to a shark.Logical formLearned from2 sentences. Relationships of a shark can be uncertain.Logical formLearned from2 sentences. A shark may be knowned.Logical formLearned from2 sentences. (Spinner sharks) may follow schools of mackerel.Logical formLearned from2 sentences. A (spinner shark) can be viviparous.Logical formLearned from2 sentences. Sharks may be took.Logical formLearned from2 sentences.