Assertion: grassland's grass | /r/CapableOf | bow in the wind
Facets:
Source sentences:
text: Hulunbuir Grassland was spoken highly of in an ancient Chinese poem as a place where "the sky is blue and the grass is boundless; when the grass bows in the wind, the horses and sheep will appear".
text: A striking feature of the original prairie of the United States was the vast expanse of tall grass billowing in the wind.