A (tip reef shark) can be black.Logical formLearned from6 sentences. A shark can be primitive.Logical formLearned from6 sentences. Sharks may pertain-to a river.Logical formLearned from6 sentences. A shark may return.Logical formLearned from6 sentences. A back may pertain-to a shark.Logical formLearned from6 sentences. Producers may pertain-to a shark.Logical formLearned from6 sentences. Some win can be over sharks.Logical formLearned from6 sentences. Sharks may eat persons.Logical formLearned from6 sentences. A (sleeper shark) may pertain-to (family somniosidaes).Logical formLearned from6 sentences. Fins may pertain-to a shark.Logical formLearned from6 sentences. An angelshark can be a shark of (family squatinidaes).Logical formLearned from6 sentences. A shark may pertain-to (family squatinidaes).Logical formLearned from6 sentences. Sharks can be off a country.Logical formLearned from6 sentences. A male may borrow money from a (loan shark).Logical formLearned from6 sentences. Sharks can be active.Logical formLearned from6 sentences.