Assertion: wild boar's hair | /r/ObjectUse | used making the toothbrush
Facets:
value: until the 1930s
type: TEMPORAL
value: often
type: TEMPORAL
Source sentences:
text: The hair of the boar was often used when making the toothbrush until the 1930s.
text: The hair of the boar was often used when making the toothbrush until the 1930s.
text: The hair of the boar was often used when making the toothbrush until the 1930s.