Please choose the correct ending to complete the given sentence: Computers and Electronics: [header] How to play paintball safely [title] Wear all appropriate safety equipment (headgear, barrel bag, barrel sleeve, etc. [step] ). Purchase your own equipment or use the equipment provided by the event organizer.

Ending1: [title] Consider setting up a small area to have fun. [step] Paintball simulators can take up to 35 minutes, depending on the size of the area. Ending2: [title] Follow the guidelines in the event manager's manual for low-level activities. [step] You may be surprised how many risks the event organizer has mapped out for you by planning these activities ahead of time. Ending3: If you're not happy with the safety equipment provided, don't participate. The paintball mask is the most important piece of equipment. Ending4: [title] Decide how many paintballs you will need. [step] I advise not to use less than 2.5, although it is suggested that you take into account how many people you are hosting the event.

Answer format: ending1/ending2/ending3/ending4