Yep

(a phone call)
pana: Duy?
me: yep
pana: how's my friend doing, is she doing alright?
me: yep
pana: have she eat yet?
me: yep
pana: have you eat yet?
me: yep
pana: are you working tomorrow?
me: yep
pana: can you stop answering with yep?
me: yep
pana: dakljfaslfjkslksaldkjf bye
me: yep
(hung up)