I'll give you a question, please answer with step-by-step reasoning process. With the card slot lit up he knew how to get started finding his balance with what?
Options:
- slot machine
- ticket machine
- bank machine
- telephone
- automated teller

user
An automated teller can be used to find balance. The card slot lights up in an automated teller. An automated teller is a machine.
The answer: automated teller.
assistant