Read the following dialogue and answer the question.

Source: whyy.org
Arkana : You know, Farhan, I’m going to have a speech competition tomorrow. Wish me luck, okay?
Farhan : Oh, really? I wish you all the best.
Arkana : Thank you, Farhan. I hope so. I have been preparing it for two months.
Farhan : That’s a long preparation. You must have been ready, then. It seems that you are going to win.
Arkana : Really? Let me treat you a pizza if I win.
Farhan believes that his friend is going to win the competition because ….