Please choose the correct solution to the question: How to make a bird house out of an old mailbox.

Solution1: Add some dried grass to an old wooden mailbox and nail the front door shut. Cut a hole large enough for the bird to get in and out. Attach the mailbox with a bracket to a tree or a fence. You can put some bird seed inside to attract the birds.

Solution2: Add some dried grass to an old wooden mailbox and nail the front door shut. Cut a tiny hole to keep the bird out. Attach the mailbox with a bracket to a tree or a fence. You can put some bird seed inside to attract the birds.

Answer format: solution1/solution2
Answer: solution1