Finish the following sentence with the best choice: How do you close off the balloon at the opening to make sure the beads do not fall out in a stress ball?

Choices:
- Cut the opening off the balloon to make sure the beads do not fall out.
- Tie off the opening off the balloon to make sure the beads do not fall out.

Answer:
Tie off the opening off the balloon to make sure the beads do not fall out.