Please choose the correct ending to complete the given sentence: Health: [header] How to stop dizziness [title] Sit or lie down. [step] Dizziness or light-headedness usually hits when you are standing up or moving around. At the first signs of dizziness or light-headedness, sit or lie down immediately.

Ending1: Dizziness not only hurts your head, but also inhibits you from seeing clearly. Look for swelling or bruising over your back. Ending2: This will usually help to relieve the spinning sensation and is safer in the event that you fall. [substeps] If you're sitting down, try putting your head between your legs. Ending3: Don't move or even breathe heavily or try to even your breathing or heart rate. Look for a calm place or view that you find calming. Ending4: [substeps] You can also sit on the floor to absorb the dizzy feeling. Place an arm or hand under your head and out in front of you.

Answer format: ending1/ending2/ending3/ending4