Question: Which breed of dog, Trigg Hound or Welsh Springer Spaniel, were relatively unknown until a succession of victories in dog trials by the breed increased its popularity?
Sentence (from "Welsh Springer Spaniel"): They are a working dog, bred for hunting, and while not as rare as some varieties of spaniel, they are rarer than the more widely known English Springer Spaniel with which they are sometimes confused.
Relevant evidence: No