Finish the following sentence with the best choice: To iron on the patch to the sleeve,

Choices:
- put the sleeve with the placed patch on the ironing board, and press the iron set to high gently on the patch for 30 seconds.
- put the sleeve with the placed patch on the ironing board, and press the iron set to high gently on the patch for 30 minutes.

Answer:
put the sleeve with the placed patch on the ironing board, and press the iron set to high gently on the patch for 30 seconds.