Multi-choice problem: Continue writing the next sentence in this paragraph:

A group of people are gathered outdoors at a market. People walk by looking at all the wares. a dog

Options: (I) walks into the market and gives a dog treats. (II) is shown lying on the ground while eating an ice cream. (III) runs with a frisbee in its mouth. (IV) appears, as people continue to bustle.
(IV)