Assertion: penguin's nest | /r/HasProperty | lined with grass
Facets:
Source sentences:
text: At the back of their burrow home, they build a nest lined with feathers and grass where the female lays her egg.
text: The nest itself is a shallow scrape in the ground which may be lined with some pebbles, stones, or grass, or nestled in a clump of tussock grass (on South Georgia Island).