Q: You are given a sentence in English. Your job is to translate the English sentence into Spanish.
The only difference is one of the dogs has a small button in its half of the box.
A:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
La única diferencia es que uno de los perros tiene un pequeño botón en su mitad de la caja.