Please choose the correct ending to complete the given sentence: Youth: [header] How to choose a school bag [title] Consider your needs. [step] Take a look at your school's supply list (if they provide you one) and its policies on bags, the textbooks you will be receiving from your school, and whether you'll be using a laptop (mostly in late high school). These factors affect the type and size of the bag you will need.

Ending1: [title] Think about the materials you will need. [step] The bags should, therefore, be a standard size. Ending2: [substeps] A backpack can have a lot of compartments, depending on what school you're in, and what year it is. Select a backpack that has at least 1 compartment. Ending3: [substeps] In order to help you determine the best fit, you should look for one that lightens, absorbs heat, mixes, and spreads well. Most schools will limit or eliminate these features. Ending4: [substeps] First of all, see what your school's rules or handbook have to say about backpacks. Certain schools do not allow rolling backpacks or messenger bags, for example, and some have specifications with regards to style or color.

Answer format: ending1/ending2/ending3/ending4