Choose the correct answer.

In the forest, you can see many animals. A zoo is a place where animals live. There is a zookeeper who takes care of them. At a petting zoo, you can touch and feed some animals. A shopping mall has many shops. You can buy souvenirs at a souvenir shop. When you visit the river, you can walk along the banks of the river. There is a path to follow, and sometimes there is a hill nearby. You might see a railway and a railway station in the area.

You can buy ________ at a souvenir shop.