Which door with lock do you secure when running an errand?
Options:
- house
- garage
- automobile
- safe
- trunk
Let's think now! Step-by-step reasoning:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
House is to go to the place where one lives permanently, especially as a member of a family or household. House door with lock do you secure when running an errand.
So, the final answer is house.