Goal and options: video

OPTIONS:
- can be proof of what was done when there is no audio
- can be proof of what was said when there is no audio
output answer: can be proof of what was done when there is no audio

Goal and options: How to make a fun vertical bookshelf?

OPTIONS:
- Run a thick band thread across a bundle of books and staple the thread to a wooden plank, place brackets into the wall and place the plank underneath the brackets for an inverted bookshelf
- Run a thick band thread across a bundle of books and staple the books to a wooden plank, place brackets into the wall and place the plank atop the brackets for an inverted bookshelf
output answer: Run a thick band thread across a bundle of books and staple the thread to a wooden plank, place brackets into the wall and place the plank underneath the brackets for an inverted bookshelf

Goal and options: How long should I make a magic wand?

OPTIONS:
- A magic wand should be about 32 centimeters in length.
- A magic wand should be about 32 inches in length.
output answer:
A magic wand should be about 32 centimeters in length.