Please choose the correct solution to the question: How can I decorate a thumb tack with buttons?

Solution1: take any kind of flat button and a thumb tack, take a piece of two-sided tape and put it on the surface of the thumb tack, put the button on top of the glue and let it sit for a few minutes before using.

Solution2: take any kind of flat button and a thumb tack, place a dab of glue on the surface of the thumb tack, put the button on top of the glue and let the glue dry before using on your bulletin board.

Answer format: solution1/solution2
Answer: solution2