Use reasoning to lead to the answer of the following question:
The department store is located in the Northwest USA. Where might it be?\nOptions:\n- new york\n- big city\n- town\n- idaho\n- shopping mall

idaho
Idaho is a northwestern U.

S state known for mountainous landscapes, and vast swaths of protected wilderness and outdoor recreation areas.

The department store is located in the Northwest USA.

It might be in Idaho.

.

So, the final answer is idaho