Assertion: boater | /r/HasProperty | a waterproof
Facets:
Source sentences:
text: A few years later in the United States, in 1946, a Westport housewife named Marion Donovan, invented the "Boater", a waterproof covering for cloth diapers.
text: Cloth was still used of course, and in 1946, a woman named Marion Donovan, invented the "Boater", a waterproof covering for cloth diapers.