Which of the following is a short story?

- The real name of O'Henry is William Sidney Porter.
- He is a famous writer from the Victorian Period.

His famous works:
- Heart of the West,
- The Gift of the Magi,
- Sixes and Sevens,
- Roads of Destiny,
- Cabbage and Kings,
- The Four million,
- The Voice of the city etc.

Source: britannica.