Use reasoning to lead to the answer of the following question:
The cashier enjoyed her job. Her workplace was informal, and she loved antiques. Where might she be working.\nOptions:\n- fast food restaurant\n- bookstore\n- supermarket\n- shop\n- grocery store

shop
A shop is an informal workplace.

Antiques can be sold in a shop.

Shops have cashiers.

.

The answer is shop