Assertion: range's mountain | /r/HasProperty | reduced to plain
Facets:
Source sentences:
text: Erosion is at work while the mountains are being uplifted until the mountains are reduced to low hills and plains.
text: Erosion is at work while the mountains are being uplifted and long after until the mountains are reduced to low hills and plains.
text: Erosion is at work while the mountains are being uplifted and long after until the mountains are reduced to low hills and plains.