Please choose the correct ending to complete the given sentence: Health: [header] How to extract aloe vera [title] Assess your aloe vera plant. [step] Before you start to harvest any aloe vera gel, you'll want to be sure you're working with a mature plant. A mature and healthy aloe plant is recognizable by its large, green leaves: they should be about 8 inches (20 cm) long.

Ending1: As aloe vera grows, the leaves should deflate and simply break. [substeps] Most aloe vera plants require at least ½ cup (180 ml) of aloe vera gel or gel every 1-3 years. Ending2: Mature aloe vera gel may have a milky or white appearance, but the leaves should be bright green and reddish brown, or light purple in color. [title] Find a thin, sturdy strip of tape. Ending3: Aloe grows from the center outward, making the outermost leaves the oldest, largest, and richest of the leaves to use. [title] Cut off some aloe vera leaves. Ending4: For healthy plants with large, outward-facing leaves, they should be about 2 inches (5.1 cm) in diameter. [substeps] Aloe vera plants have proud roots and are easy to harvest.

Answer format: ending1/ending2/ending3/ending4