What happens next in this paragraph?

A woman with glasses on is knitting. A girl in a black shirt is sitting down talking. the woman
pick from the following. (I). starts knitting the girl's hand.. (II). is playing crochet with a dog in her lap.. (III). grabs a cat and turns it on the table and swats it with a white cloth.. (IV). knitting talks back to the girl..
(IV).