Please choose the correct ending to complete the given sentence: Health: [header] How to treat acne scars with aloe vera [title] Boil an aloe leaf. [step] The best way to use fresh aloe is by turning it into a paste. To do this, you'll need to soften the leaf.

Ending1: Place the dried leaf over a bowl of boiling water. Allow the water to sit for 30 minutes or overnight to soften the leaf. Ending2: Run several times over the leaf surface in the bath or shower. Allow the water to fill the leaf and soften the leaves for about 30 minutes. Ending3: [substeps] Fill a pot with enough water to cover an aloe leaf. Boil until the leaf is soft and squishy. Ending4: This will depend on the size of the leaf. The speed at which you mash the aloe vera plant or the dryness of the leaf.

Answer format: ending1/ending2/ending3/ending4