Assertion: ginseng's root | /r/HasProperty | rare
Facets:
value: very
type: DEGREE
value: over 50 years old
type: OTHER
Source sentences:
text: Roots over 20 are rare, 30-40 year old roots scarce and roots over 50 years old are even rarer and are extremely precious.
text: Wild roots are very rare and command a great price.