Please choose the correct ending to complete the given sentence: Health: [header] How to vomit politely [title] When you have to vomit, say you have to use the restroom, and go vomit in the toilet. [step] Then flush the toilet and wipe your mouth. If there is a water fountain nearby, you would probably want to get a drink.

Ending1: [title] If no restroom is available, ask to be excused. [step] Then, leave to find a bush, tree, rock or anything big that you can hide behind. Ending2: 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. Ending3: [substeps] 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. Ending4: In that case, if your friends see you vomiting, they will notice and will turn off the toilet. [title] Always go to the toilet when you feel the urge to vomit.

Answer format: ending1/ending2/ending3/ending4