A fin can be constituted-of-or-filled-with rock.Logical formLearned from7 sentences. Pelvic fins can be reduced.Logical formLearned from7 sentences. Pectoral fins can be enlarged.Logical formLearned from7 sentences. Pelvic fins can be absent.Logical formLearned from7 sentences. A dorsal fin can be short.Logical formLearned from7 sentences. A length may pertain-to a fin.Logical formLearned from7 sentences. A dorsal fin can be on a back.Logical formLearned from7 sentences. Sides may pertain-to a fin.Logical formLearned from7 sentences. A fin can be continuous.Logical formLearned from7 sentences. A fin may be retransmited.Logical formLearned from7 sentences. Fin may pertain-to a porpoise.Logical formLearned from7 sentences. A fin may undergo a use.Logical formLearned from7 sentences. Dorsal fins can be tall.Logical formLearned from7 sentences. Fins can be clear.Logical formLearned from7 sentences. A fin may be emitted.Logical formLearned from7 sentences.