(Shark skeleton) may be composed of cartilage.Logical formLearned from2 sentences. Sharks can be crosstown.Logical formLearned from2 sentences. A shark can be black.Logical formLearned from2 sentences. Sharks may thrive in aquariums.Logical formLearned from2 sentences. (Job sharks) may charge a fee.Logical formLearned from2 sentences. A male may be pursued by a shark.Logical formLearned from2 sentences. A shark can be persistent.Logical formLearned from2 sentences. A male may play sharks.Logical formLearned from2 sentences. A shark may chase a male.Logical formLearned from2 sentences. A shark may wait for a male.Logical formLearned from2 sentences. Episodes may pertain-to a (shark television program).Logical formLearned from2 sentences. A crew may pertain-to a shark.Logical formLearned from2 sentences. A production may pertain-to a shark.Logical formLearned from2 sentences. A (production staff) may pertain-to a shark.Logical formLearned from2 sentences. A male may remain with sharks.Logical formLearned from2 sentences.