Assertion: whale's song | /r/HasProperty | complex
Facets:
value: highly
type: DEGREE
value: in nature
type: LOCATION
Source sentences:
text: The male Humpback Whale is very popular for the amazing and complex song that they create.
text: Humpback whales are known for their haunting songs, which are complex sequences of moans, howls and cries that often continue for hours, according to National Geographic.
text: These songs are highly complex in nature and are often compared to music created by humans.