This is a question with answer options. Goal: To use a plunger.

Which of the following methods is more reasonable for accomplishing this goal?

Select from the following. -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.....I think the answer is
Form a seal around the drain then push & pull the plunger up and down without removing it.