A leading edge may pertain-to fins.Logical formLearned from4 sentences. A fin can be spiny.Logical formLearned from4 sentences. A market can be for (shark fins).Logical formLearned from4 sentences. An era can be constituted-of-or-filled-with (tail fins).Logical formLearned from4 sentences. Damage can be to a fin.Logical formLearned from4 sentences. Fins can be longitudinal.Logical formLearned from4 sentences. Some (plastic fins) can be on a rod.Logical formLearned from4 sentences. Images can be constituted-of-or-filled-with fins.Logical formLearned from4 sentences. Fin may undergo an application.Logical formLearned from4 sentences. Fins may undergo a regeneration.Logical formLearned from4 sentences. A fin may undergo a removal.Logical formLearned from4 sentences. Fins may undergo a development.Logical formLearned from4 sentences. A dorsal fin can be falcate.Logical formLearned from4 sentences. Pelvic fins can be paired.Logical formLearned from4 sentences. A market can be for fins.Logical formLearned from4 sentences.