Please choose the correct ending to complete the given sentence: Sports and Fitness: [header] How to survive an encounter with an ostrich [title] Run for nearby cover. [step] Expect ostriches to attain speeds of 43 mph (70 km) over open ground. If there is dense vegetation or woods close enough for you to reach before the ostrich reaches you, sprint for that.

Ending1: The ostrich will naturally accelerate to reach you without giving you a chance to run away. [title] Approach the approaching ostrich during the daylight hours. Ending2: You'll be relatively safe if you don't get injured. [substeps] Given the difficulty of sprinting at full speed, pressing the " b " button is a vital feature while still carrying the che radio. Ending3: [substeps] Alternatively, keep running even if the ostrich lays its eggs using a net. Wait until the ostrich has laid its eggs by approaching it and keeping your distance. Ending4: Prevent the ostrich from attaining optimum speed so it has less chance of outrunning you. [substeps] If there is more sturdy cover than vegetation (such as a car or manmade structure), go for that.

Answer format: ending1/ending2/ending3/ending4