Please choose the correct ending to complete the given sentence: Health: [header] How to improve executive function skills [title] Plan ahead. [step] A fundamental step in improving organizational skills is to learn to plan ahead and avoid procrastination. When given an assignment with a deadline, do not wait until the day before to complete it.

Ending1: Set aside some time to gather documents and preparation for that assignment before the deadline approaches. [substeps] Avoid procrastinating or wasting time simply because you will not have time to take on as many projects if you don't have the time for it. Ending2: Instead, plan ahead by making plans ahead of time. This will allow you to concentrate solely on your assignment and any other important details. Ending3: Instead, structure your days so that you are completing bits of the assignment each day. This will ensure that you do not feel overwhelmed in the days leading up to the due date, and make it easier if something unexpected comes up that prevents you from working on the project when you planned to. Ending4: Conversely, when you receive a promotion, do not wait until the morning to finish it. Instead, plan ahead so you can prepare as early as possible.

Answer format: ending1/ending2/ending3/ending4