Assertion: valerian | /r/HasProperty | a well-known
Facets:
Source sentences:
text: Valerian is a well-known and frequently used medicinal herb that has a long and proven history of efficacy.
text: The makers of Valium named it so, to evoke Valerian, a well-known soporific.
text: Today, valerian is the best known natural tranquilizer and it is widely used in Western herbal medicine as sleep aid and to reduce stress in general.
text: Valerian is a well-known and frequently used medicinal herb that has a long and proven history of efficacy.