Assertion: chestnut | /r/CapableOf | disappear in first half of the 20th century
Facets:
value: from the u.s. landscape
type: LOCATION
value: virtually
type: MANNER
Source sentences:
text: The chestnut virtually disappeared from the U.S. landscape in the first half of the 20th century when an accidental blight wiped out an estimated four million trees.