Assertion: cane's use | /r/CapableOf | start in 1950
Facets:
Source sentences:
text: The use of the cane toad in experiments started in the 1950s, and by the end of the 1960s, large numbers were being collected and exported to high schools and universities.
text: The use of the cane toad in experiments started in the 1950s, and by the end of the 1960s, large numbers were being collected and exported to high schools and universities.