Please choose the correct ending to complete the given sentence: Sports and Fitness: [header] How to build a storm shelter [title] Decide what type of " storm " and/or " wind rating " you are building a shelter for. [step] Tornado is an " ef " rating of 1-5. Hurricane is similar.

Ending1: Welcome an earthquake or a heavy rainstorm. [title] Decide where the shelter will be located. Ending2: This will help you decide on how strong your shelter should be built. [title] Find out if the area you intend to install this' tornado or hurricane' shelter is in a " flood zone " or " storm surge zone. Ending3: [substeps] Yell out to a nearby storm unit and ask them which category you want to go with. If you are planning on creating shelters indoors but your sky shelter comes equipped with this information, there will be a bush kit. Ending4: You don't want a storm that isn't due in the near future to attack your shelter, but a storm that is due in a few days. " ik " is the general definition for " tornado.

Answer format: ending1/ending2/ending3/ending4