Assertion: cane | /r/ObjectUse | used as tool
Facets:
value: for travel
type: PURPOSE
value: merely
type: MANNER
value: for centuries
type: TEMPORAL
Source sentences:
text: For centuries, the "cane" was used merely as a tool for travel and it was not until the twentieth century that the cane, as we know it today, was promoted for use by the blind as a symbol to alert others to the fact that an individual was blind.