Assertion: clavichord | /r/HasProperty | invented
Facets:
value: during the early 14th century
type: TEMPORAL
value: actively
type: MANNER
Source sentences:
text: Clavichord was invented during the early 14th century (Baroque period).
text: The clavichord was invented during the fourteenth century.
text: Within the early fourteenth century, the clavichord was believed participate actively be invented.