Assertion: field spaniel | /r/CapableOf | have developed in late 19th century
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Source sentences:
text: Thought to have developed in the late 19th century due to popular demand for an all-black Spaniel show competitor, the Field Spaniel is the product of crossing between the Sussex Spaniel and the Cocker Spaniel.
text: Thought to have developed in the late 19th century due to popular demand for an all-black Spaniel show competitor, the Field Spaniel is the product of crossing between the Sussex Spaniel and the Cocker Spaniel.