Fins can be gray.Logical formLearned from7 sentences. Fins can be colorless.Logical formLearned from6 sentences. A height may pertain-to a fin.Logical formLearned from6 sentences. A length may pertain-to a dorsal fin.Logical formLearned from6 sentences. A fin can be rectangular.Logical formLearned from6 sentences. Species may have a (fin disc).Logical formLearned from6 sentences. A caudal fin can be yellow.Logical formLearned from6 sentences. Dorsal fins can be separated.Logical formLearned from6 sentences. Rays may pertain-to a caudal fin.Logical formLearned from6 sentences. An exception may pertain-to a caudal fin.Logical formLearned from6 sentences. Margins may pertain-to fins.Logical formLearned from6 sentences. A (fin disc) can be wider.Logical formLearned from6 sentences. A stingray may have a (fin disc).Logical formLearned from6 sentences. Bases may pertain-to fins.Logical formLearned from6 sentences. An (adipose fin) can be absent.Logical formLearned from6 sentences.