A dog is not a racehorse.   If an animal is being rubbed down, it is not running.   After a race, an animal is not running.


Context: A dog is wearing a red number 6 and running through a field of green grass while being chased by a bird.
Hypothesis: A racehorse being rubbed down after a race.

Given this context, determine if the hypothesis is true (Yes, no, or unknown)?