Please choose the correct ending to complete the given sentence: Food and Entertaining: [header] How to do a wall push up [title] Find a spot. [step] Before you start doing wall push ups, you should make sure the wall you've chosen can accommodate push ups. An ideal spot should be away from any corners so that you have a long, straight wall.

Ending1: Keep the wall between your feet so that you don't bump yourself on it. [title] Swing your arms straight over your head. Ending2: If you're looking to build a wall from scratch, try a few electric pull ups and power pulls. [substeps] To get better stability, pull-ups should be placed several feet apart. Ending3: Use a wall or some other piece of furniture to find this angle. [title] Purchase an exercise table (or a chair). Ending4: Additionally, the wall you choose should be free from any objects or obstacles. [substeps] Make sure there is nothing hanging on the wall where you decide to do push ups.

Answer format: ending1/ending2/ending3/ending4