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 .

Question with options to choose from: Why did Echo retire ?
Select from the following. (1). He got to be too old . (2). He was disobedient . (3). He was n't good at his job . (4). The police force did n't want him anymore .
(1).