Sharks can be in the world.Logical formLearned from16 sentences. Sharks may scout staff.Logical formLearned from16 sentences. Sharks can be ravenous.Logical formLearned from16 sentences. A shark can be in water.Logical formLearned from16 sentences. Sharks may circle.Logical formLearned from16 sentences. A shark may near a boat.Logical formLearned from16 sentences. A shark may thrash a male.Logical formLearned from16 sentences. Sharks may be tracked for a hour.Logical formLearned from16 sentences. A buoy may capture a signal of a shark.Logical formLearned from16 sentences. (Shark mates) may remain unknown.Logical formLearned from16 sentences. A group of persons may keep a shark.Logical formLearned from16 sentences. (Hunting grounds) may pertain-to sharks.Logical formLearned from16 sentences. A male may compare sharks with lampreys.Logical formLearned from16 sentences. A shark may circle.Logical formLearned from16 sentences. Fins may pertain-to shark.Logical formLearned from16 sentences.