Assertion: humpback whale's fin | /r/HasSubevent | common name
Facets:
Source sentences:
text: These whales also have dark backs, light bellies, pleats on their throats, and a slight hump in front of their dorsal fin, which leads to the common name “humpback”.
text: These whales also have dark backs, light bellies, pleats on their throats, and a slight hump in front of their dorsal fin, which leads to the common name “humpback”.