Assertion: billy | /r/HasProperty | female
Facets:
Source sentences:
text: A mate for Billy, a female named Hannah, was acquired by the zoo on September 4, 1929.
text: Billy and Hannah successfully had more calves, and because of Billy's worth as a breeding stud, Mann traveled with the Smithsonian-Firestone Expedition to Liberia in 1940 and acquired a second mate for Billy, another female who came to be known as Matilda.