Assertion: humpback whale | /r/HasProperty | killed by open boat whalers
Facets:
value: with hand harpoons
type: MANNER
value: in the 19th century
type: TEMPORAL
Source sentences:
text: Because they were slow and fat, humpback whales were targeted by whalers well before the faster blues and fins, and were killed by open boat whalers with hand harpoons in the 19th century.