Some racehorses were chatting in a stable when one starts to boast about his track record.
He says proudly, "Out of 12 races I've won eight". Another horse brags, "That's good. But in 27 races I've won 19". "Not bad" says another, "But out of my last 36 races I've won 28".
At this point they notice a greyhound listening. "I don't mean to interrupt" she says, "but I've won 88 of my last 90 races".
The horse are amazed. "Good grief" says one, "a talking dog."
