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

How to vomit politely
When you have to vomit, say you have to use the restroom, and go vomit in the toilet.
Then flush the toilet and wipe your mouth. If there is a water fountain nearby, you would probably want to get a drink.

(i). If no restroom is available, ask to be excused. Then, leave to find a bush, tree, rock or anything big that you can hide behind.. (ii). If not, call emergency services, as they should be able to assist you. They will then be able to carry your bleeding form to a nearby water fountain.. (iii). It may be easier for it to shut off if you are alone. Once you have gone to the bathroom, excuse yourself and go to the restroom to purge.. (iv). In that case, if your friends see you vomiting, they will notice and will turn off the toilet. Always go to the toilet when you feel the urge to vomit..
The answer is:
(i).