“A greyhound is a racing dog. Spends its life running in circles, chasing a bit of felt made up like a rabbit. One day, we took it to the park. Our dad had warned us how fast that dog was, but we couldn't resist. So, my brother took off the leash, and in that instant, the dog spotted a cat. I imagine…”
— Lisa Joy, Dominic Mitchell, Dr. Robert Ford, Anthony Hopkins, imdb.com