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

How to humidify your room
Select a humidifier for your room size.
There are a number of humidifiers available. To humidify your room, the most important thing is getting one that is an appropriate capacity for the room in which you want it.

OPTIONS:
* You can buy a humidifier here :. This is especially useful if you already have a humidifier in your bedroom, or are newly planning on having a sleepover with friends.;
* Keep in mind that some humidifiers are made primarily of natural oils and some others are made entirely of synthetic materials. If you are considering a room humidifier for the purpose of helping to encourage rainfall, consider buying a humidifier made from cedar, elm or rosemary.;
* Low humidity will give the humidifier room to work smoothly. If you are comfortable for a while in the room, consider getting one that comes with a built-in humidifier.;
* Look on the box to check the square footage or square meter rating for the humidifier. Invest in a model that most closely matches your room's size.;
Look on the box to check the square footage or square meter rating for the humidifier. Invest in a model that most closely matches your room's size.