Please choose the correct solution to the question: Adding the pictures to bottle caps

Solution1: Take the bottle caps and trace around the pictures with a pencil and cut the trace with scissors , then use a drop of glue to glue the pictures to the insides of the bottle caps.

Solution2: Take the bottle caps and trace around the pictures with a pencil and cut the trace with scissors , then use a drop of nail polish to glue the pictures to the insides of the bottle caps.

Answer format: solution1/solution2
Answer: solution1