Assertion: staffordshire bull terrier | /r/HasProperty | one of two breeds
Facets:
value: in the mid-19th century
type: TEMPORAL
Source sentences:
text: In the mid-19th century, the Staffordshire Bull Terrier was one of two breeds produced by James Hinks by crossing a Bulldog with various British Terriers (such as the Manchester and English White Terriers, the latter of which is now extinct) to produce Bull-and-Terriers.