Finish the following sentence with the best choice: To use a plunger.

Choices:
- Form a seal around the drain then push & pull the plunger up and down without removing it.
- Form a seal around the drain then push & pull the plunger up and down, exiting and reinserting into the drain.

Answer:
Form a seal around the drain then push & pull the plunger up and down without removing it.