Assertion: humpback whale's song | /r/HasProperty | different
Facets:
value: uniquely
type: MANNER
value: each season
type: TEMPORAL
Source sentences:
text: All males in a population sing the same song, but the songs of each population are different.
text: All the males in a group will produce the same song, which is different each season.
text: Whales within a distinct population sing the same song; while the songs of whales from other populations are different.
text: However, the songs of each of these populations and of those in other areas of the world are uniquely different.