Assertion: humpback whale's song | /r/CapableOf | play role
Facets:
value: in their mating rituals
type: TEMPORAL
Source sentences:
text: Unfortunately researchers are unsure of why humpback whales sing however they can assume that because it is only the male humpback that sings it may have to do with attracting a female to mate with, therefore it is likely that this song plays a role in their mating rituals.