Question: To clean a dirty window
Options:
Use a large sponge to apply vinegar to the entire pane. With a squeegee, firmly remove all the vinegar.
Use a large sponge to apply water to the entire pane. With a squeegee, firmly remove all the vinegar.
Answer: Use a large sponge to apply vinegar to the entire pane. With a squeegee, firmly remove all the vinegar.