Finish the following sentence with the best choice: How do you get grout lines in the bathroom clean?

Choices:
- Spray the grout with hot water and scrub them with a stiff bristle brush or a grout brush to lift any dirt or grime off the surface.
- Spray the grout with hot vinegar and scrub them with a stiff bristle brush or a grout brush to lift any dirt or grime off the surface.

Answer:
Spray the grout with hot water and scrub them with a stiff bristle brush or a grout brush to lift any dirt or grime off the surface.