someone solve this question plz

Using the technique suggested, where natural language descriptions are presented in a standard format, write plausible user requirements for the following functions: a. An unattended petrol (gas) pump system that includes a credit card reader. The customer swipes the card through the reader, then specifies the amount of fuel required. The fuel is delivered and the customer's account is debited. b. The cash-dispensing function in a bank ATM c. In an internet banking system, a facility that allows customers to transfer funds from one account held with the bank to another account with the same bank