Single/multi-choice problem: Which of the following solutions is better for the following goal:
How to determine where a puncture is in a bicycle tire tube?

Available options: [i] Remove the tube and tire from the bicycle and pump up the tube then submerge in water and listen for the sound of bubbles to isolate the puncture [ii] Remove the tube from the tire and pump up the tube then submerge lightly in water and look where the bubbles form to isolate the puncture
[ii]