Please choose the correct solution to the question: How do I remove tarnish from copper?

Solution1: Rub a mixture of 1 tablespoon of table salt and 1 cup of white vinegar onto the copper with a soft cloth and rinse. Or, immerse the tarnished copper into a pot of 3 cups of water and the salt-vinegar mixture, bring to a boil and boil until the grime and tarnish comes off.

Solution2: Rub a mixture of 1 tablespoon of table salt and 1 cup of white vinegar onto the copper with a soft brush and rinse. Or, immerse the tarnished copper into a pot of 3 cups of water and the salt-vinegar mixture, bring to a boil and boil until the grime and tarnish comes off.

Answer format: solution1/solution2
Answer: solution1