Please choose the correct ending to complete the given sentence: Home and Garden: [header] How to create a vertical garden using living wall planters [title] Determine where planter will be positioned and mark holes for the mounting bracket, making sure to keep bracket level. [step] Note: use a level to be sure that the bracket is perfectly horizontal before you attach it. If it is slightly uneven, planter will look crooked and the plants will not get evenly watered.

Ending1: [title] Drill holes in the soil using a drill bit. [step] Two 16-inch (56.4 cm) drill bits work great for this section, but are not necessary. Ending2: [title] Mark planter's sides by the mounting bracket so it stands straight over planter in the center. [title] Choose a planter in a color that appeals to both your living wall and its function in your planter. Ending3: [title] Attach the mounting bracket securely to the wall with the appropriate screws. [step] Note: ensure you use the correct fixing screws for your wall surface. Ending4: [title] Depending on where you live, planter will need to be divided into rows. [step] If you have large or very large plants, planter should be divided into rows that run approximately 12 inches (30 cm) apart.

Answer format: ending1/ending2/ending3/ending4