Assertion: aspen | /r/HasProperty | one of the few deciduous trees
Facets:
Source sentences:
text: Aspen, the most widely distributed tree in North America, are one of the few deciduous trees hearty enough to survive in a harsh mountain environment.
text: Aspen is a deciduous tree that can grow up to 40 - 100 feet (12 - 30 m) in height.
text: Aspens, the most widely distributed tree in North America, are one of the few deciduous trees hearty enough to survive in a harsh mountain environment