Please choose the correct ending to complete the given sentence: Work World: [header] How to train to become a navy seal [title] Determine your fitness level. [step] In order to start training for the rigors of bud/s and the navy you have to know where you're at physically. To do this, you can take a pst.

Ending1: First, you'll need to complete cleated engineering training, at which point you must take a pst. [substeps] These courses make you physically accountable (and mentally less) for the routine. Ending2: This is a exercise that only you can know how to do but it will help you build in muscle for the training period. [title] Prepare yourself for the rigors that come with joining the navy. Ending3: [title] Be with your teammates when your team is running. [step] If you are one of the fronters, then you'll need to protect your other body from the navy field and crew. Ending4: The pst (physical screening test) is administered by the navy to see if you have what it takes physically to complete the training. You can take a mock pst at home.

Answer format: ending1/ending2/ending3/ending4