Please choose the correct ending to complete the given sentence: Home and Garden: [header] How to trim trees [title] Wear safety goggles, helmet, and purchase a step ladder. [step] Safety goggles and a helmet or hard hat will protect your head and eyes as you prune adult trees. You may also need a small step ladder to reach higher branches.

Ending1: [title] Insert a mitten stake about two feet (- 4) away from the pruning necessities (tree). [step] You can purchase mitten stakes at most tree planting supply stores or online. Ending2: However, if the branch is located high in the air and requires an extension ladder, consult a professional instead of trying to do it yourself. [substeps] Purchase this equipment online or at a hardware store. Ending3: [title] Cut an " x " into the trunk of the tree. [step] Purchase a can of hand pruners from a hardware store and use a sharp knife to cut right through the trunk of the tree. Ending4: You may wear gloves to protect your face from the branch you are trimming. [substeps] You may wear long sleeved green or cotton gloves.

Answer format: ending1/ending2/ending3/ending4