A shark can be extinct.Logical formLearned from16 sentences. A shark may turn.Logical formLearned from16 sentences. A male may see sharks.Logical formLearned from16 sentences. Some shark may kill a boy.Logical formLearned from16 sentences. (Shark attacks) can be in a country.Logical formLearned from16 sentences. Sharks can be vulnerable to overfishing.Logical formLearned from16 sentences. Sharks may undergo a slaughter.Logical formLearned from16 sentences. Sharks can be a fish.Logical formLearned from16 sentences. Sharks can be for fins.Logical formLearned from15 sentences. A male can be (loan shark).Logical formLearned from15 sentences. (Sale sharks) can be in a premiership.Logical formLearned from15 sentences. A shark may pertain-to (family etmopteridaes).Logical formLearned from15 sentences. Sharks may be seen.Logical formLearned from15 sentences. A shark can be viviparous.Logical formLearned from15 sentences. Sharks may think.Logical formLearned from15 sentences.