Write the next sentence in the following story.

How to decorate a guest room
Paint the walls a soothing color.
Neutrals, like beige or white, and cool tone pastels, like sky blue, usually make good choices. Avoid vibrant warm tones, like bright red, since these have an energizing effect and may make it difficult for your guests to feel relaxed.

Options are: (I) Consider placing a glass top bedside table in the room. Bedside tables are a convenience your guests will likely appreciate, but your guests may worry if they leave a water ring from a drink on a wooden surface. (II) Cool tones, like blacks, grays, and browns, can also help your guest feel calmer. Everything that is dark or soft has drama. (III) For the best results, ensure that the walls are painted in pastel colors to create a chartreuse vibe. Choose canvas or cotton paintings for the best contrast. (IV) However, a touch of nautical color can convince guests of the same serene features. Hang up a mural of an ocean crystal on the wall to add a nostalgic element to the room.. The answer should be
(I)