Assertion: mastodon's remain | /r/HasProperty | lost
Facets:
value: unfortunately
type: MANNER
Source sentences:
text: Unfortunately, the fossil remains of this dinosaur have been lost.  
text: Unfortunately, the fossil remains of this dinosaur have been lost.
text: The remains have been lost, but the sacrum drawing remains.
text: The remains have been lost, but the sacrum drawing remains.