Write the next sentence in this paragraph:

How to improve concentration at work
Listen to some music.
Keep a pair of headphones at your desk and put them on for breaks. As you listen to music, try to remove all work-related thoughts from your mind, take a few deep breaths, and listen to the music.

OPTIONS:
(I). Play some background music or a conversation on your phone so that you can eliminate distractions. If you have an electronic device, it can help in stimulating your nerves and help you keep your mind focused.
(II). Active listening also helps you to unplug from a computer. Studies have shown that listening to music encourages your brain to process information.
(III). Try to release all feelings of anxiety and stress through listening to music. Make sure that you are using headphones that are compatible with the sound of music.
(IV). Then, once your break is finished, dive back into work. Listening closely to music (of any genre) will help sharpen your focusing skills, and will also allow you to return to your work with greater concentration.
(IV).