Assertion: river birch | /r/HasProperty | old
Facets:
value: very
type: DEGREE
Source sentences:
text: and so it does not get attacked by Bronze Birch Borer, unless it is very old and dying already.
text: It is fairly immune to disease or insect attack but is short-lived.
text: River Birch is a long-lived tree that grows in a variety of conditions.