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.

The following activity that might not be done by Arkana in his preparation for competition is ....