Multi-choice problem: Continue writing the next sentence in this paragraph:

How to choose dental floss
Choose a thick floss when you have large gaps.
If you have large spaces between your teeth, pick an extra thick floss. Some options include dental tape or super dental floss.

Select from the following.
(1). If you have small gaps between your teeth, a thicker floss might work fine. You should also avoid super floss, as it'll damage the fine plastic coating of your teeth..
(2). Choosing a thicker floss will help ensure that you are actually flossing all the surfaces of your teeth and makes flossing easier. You'll know you have gaps if a normal dental floss slides in very easily, and you see ample space around it..
(3). However, since dental floss is so wide and heavy, you'll need to pick a thinner one which is less brittle than regular dental floss. If your mouth has a very narrow gap between your teeth and your gums, choose an extra floss..
(4). You can pick between super and super thick floss with two or four slits in the end to allow blood to be expelled. Weigh your dental floss before you purchase it so you know how much dental floss you'll need..
(2).