Echo is a handsome 10 year old pure bred Belgian Malinois . Echo is a retired police dog so all of his commands are in German and he is SO obedient . When Randy ( Echo 's first owner ) came to bring Echo to us , he showed us some quick obedience training and he also worked with April .
Why did Echo retire ?
Pick the best answer from the following options:
- He got to be too old .
 - He was disobedient .
 - He was n't good at his job .
 - The police force did n't want him anymore .


He got to be too old .