フリー問題

問題文

Which of the following contains all three components of a well-formed user story?

選択肢

1. As a dispatcher, so that I can chase unconfirmed deliveries before the customer calls, I need the delivery confirmation process to be improved for whoever is on shift.
2. As a dispatcher, I want a report showing what every delivery's confirmation status is, sorted by dispatch time and refreshed automatically every fifteen minutes.
3. I want to see unconfirmed deliveries so that I can chase them, which is what the dispatch team needs from the new screen.
4. As a dispatcher, I want to see which deliveries are unconfirmed after four hours, so that I can chase them before the customer calls us.