This is a test of commonsense with single/multi-choices. Complete the next sentence:

How to keep a dog cool in hot weather
Keep a filled water bowl near your dog at all times.
While this may be obvious, it is an especially important step.
If your dog finishes the bowl quickly, get a bigger bowl or get a few bowls.

Options: i. If you live with others, set up a schedule to ensure that someone is remembering to check and refill the bowl throughout the day. Give your dog somewhere to get wet.; ii. If you are not sure if a full bowl will fit in your dog's mouth, do not make it so warm that he can't do anything else. You should also keep a thermometer in your dog's mouth.; iii. Carry a thermometer with you. Either have one with you wherever you go or purchase one as soon as you come inside.; iv. For hot dog bowls, take out the water bowl after watering the dog. If your dog finishes a bowl, replace it.;
The answer is:
i.